

From musicians to models (and even the U.S. Women’s National Soccer Team!) see everyone who joined Taylor Swift on stage for her “1989 World Tour”!

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Taylor & Idina Menzel
Image Credit: Tim Boyles/LP5/Getty Images for TAS Taylor Swift as Olaf and Idina Menzel as Elsa perform on Taylor Swift’s “The 1989 World Tour” at Raymond James Stadium on October 31, 2015 in Tampa, Florida. Read the story.
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Taylor Swift & Allesia Cara
Image Credit: Tim Boyles/LP5/Getty Images Taylor Swift and Allesia Cara perform “Here” on Taylor Swift’s “The 1989 World Tour” at Raymond James Stadium on Oct. 31, 2015 in Tampa, Fl.
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Greatest of All Time
When it comes to music, there's no objective right or wrong, good or bad – but that never stops passionate music fans from sharing and defending their favorites. From pop hooks to album covers to beats, we're rounding up some of the greatest of all time in music on Billboard. We spent months discussing, researching and reflecting on music from artists old and new, considering everything from sales to impact to innovation to longevity. The results won't please everyone – and that's as it should be. Everyone has their own takes on the greatest in music – this is ours.
Check it out. -
Taylor Swift & Ricky Martin
Image Credit: Rodrigo Varela/LP5/Getty Images for TAS Taylor Swift and Ricky Martin at American Airlines Arena on October 27, 2015 in Miami, Florida.
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Taylor Swift & Pitbull
Image Credit: Rodrigo Varela/LP5/Getty Images for TAS Taylor Swift and Pitbull at American Airlines Arena on October 27, 2015 in Miami, Florida.
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Taylor Swift & Dwyane Wade
Image Credit: Rodrigo Varela/LP5/Getty Images for TAS Taylor Swift and Dwyane Wade at American Airlines Arena on October 27, 2015 in Miami, Florida.
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Taylor Swift & Tove Lo
Image Credit: Rick Diamond/LP5/Getty Images for TAS Taylor Swift and Tove Lo on stage at The 1989 World Tour at the Georgia Dome on Oct. 24, 2015 in Atlanta, Georgia. Read the story.
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Taylor Swift & Miranda Lambert
Image Credit: Steve Exum/LP5 Getty Images for TAS Taylor Swift and Miranda Lambert performs during the 1989 World Tour at the Greensboro Coliseum on October 21, 2015 in Greensboro, North Carolina. Read the story.
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Ellie Goulding & Taylor Swift
Image Credit: Cooper Neill/LP5/Getty Images for TAS Ellie Goulding and Taylor Swift perform onstage during the 1989 World Tour Live on Oct. 17, 2015 at the AT&T Stadium in Arlington, Texas. Read the story.
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Charli XCX & Taylor Swift
Image Credit: George Pimentel/LP5/Getty Images for TAS Charli XCX joins Taylor Swift to perform during The 1989 World Tour at Rogers Center on October 3, 2015 in Toronto, Canada. Read the story.
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Taylor Swift & Keith Urban
Image Credit: George Pimentel/LP5/Getty Images for TAS Taylor Swift and Keith Urban perform during The 1989 World Tour live in Toronto at Rogers Center on October 2, 2015 in Toronto, Canada.Read the story.
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Taylor Swift & Nelly
Image Credit: Dilip Vishwanat/LP5/Getty Images for TAS Taylor Swift performs with special guest Nelly onstage during the 1989 World Tour at Scottrade Center on September 29, 2015 in St Louis, Missouri. Read the story.
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Taylor Swift & Steven Tyler
Image Credit: John Shearer/LP5/Getty Images for TAS Taylor Swift and Steven Tyler perform onstage during The 1989 World Tour live in Nashville at Bridgestone Arena on Sept. 25, 2015 in Nashville, Tennessee. Read the story.
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Taylor Swift & Leona Lewis
Image Credit: John Shearer/LP5/Getty Images for TAS Taylor Swift and Leona Lewis perform during The 1989 World Tour live in Nashville at Bridgestone Arena at Bridgestone Arena on September 26, 2015 in Nashville, Tennessee. Read the story.
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Kelsea Ballerini & Taylor Swift
Image Credit: John Shearer/LP5/Getty Images for TAS Kelsea Ballerini and Taylor Swift perform during The 1989 World Tour live in Nashville at Bridgestone Arena on September 25, 2015 in Nashville, Tennessee. Read the story.
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Taylor Swift & Mick Jagger
Image Credit: John Shearer/LP5 Taylor Swift and Mick Jagger perform onstage during The 1989 World Tour live in Nashville at Bridgestone Arena at Bridgestone Arena on Sept. 26, 2015 in Nashville, Tennessee. Read the story.
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Taylor Swift & Alison Krauss
Image Credit: John Shearer/LP5/Getty Images for TAS Taylor Swift and Alison Krauss perform during The 1989 World Tour live in Nashville at Bridgestone Arena on September 25, 2015 in Nashville, Tennessee. Read the story.
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Taylor Swift & Dierks Bentley
Image Credit: Fernando Leon/Getty Images for TAS Taylor Swift and Dierks Bentley perform onstage at the Sprint Center on September 21, 2015 in Kansas City, Missouri.
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Sydney Sierota & Taylor Swift
Image Credit: Duane Prokop/LP5/Getty Images for TAS Sydney Sierota and Taylor Swift perform during The 1989 World Tour at Nationwide Arena on Sept. 18, 2015 in Columbus, Ohio.Read the story.
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Taylor Swift & The Band Perry
Image Credit: Michael Hickey/LP5/Getty Images for TAS Taylor Swift and The Band Perry perform “If I Die Young” at Bankers Life Fieldhouse on Sept. 16, 2015 in Indianapolis. Read the story.
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Taylor Swift & Wiz Khalifa
Image Credit: Bob Levey/LP5/Getty Images for TAS Taylor Swift with special guest Wiz Khalifa during the Taylor Swift The 1989 World Tour Live In Houston at Minute Maid Park on September 9, 2015 in Houston, Texas.
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Taylor Swift & Omi
Image Credit: Charley Gallay/LP5/Getty Images for TAS Taylor Swift and Omi perform during Taylor Swift The 1989 World Tour Live In San Diego at PETCO Park on August 29, 2015 in San Diego, California. Read the story.
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Taylor Swift & Avril Lavigne
Image Credit: Charley Gallay/LP5/Getty Images for TAS Taylor Swift and Avril Lavigne onstage during Taylor Swift The 1989 World Tour Live In San Diego at PETCO Park on August 29, 2015 in San Diego, California. Read the story.
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Taylor Swift & Selena Gomez
Image Credit: Christopher Polk/TAS/Getty Images for TAS Taylor Swift and Selena Gomez perform during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 26, 2015 in Los Angeles, California. Read the story.
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Taylor Swift & Justin Timberlake
Image Credit: Christopher Polk/TAS/Getty Images for TAS Justin Timberlake and Taylor Swift perform onstage during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on Aug. 26, 2015 in Los Angeles, California. Read the story.
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Taylor Swift & Phoebe Buffay (Lisa Kudrow)
Image Credit: Christopher Polk/TAS/Getty Images for TAS Taylor Swift and Phoebe Buffay (Lisa Kudrow) sing “Smelly Cat” onstage during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 26, 2015 in Los Angeles. Read the story.
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Taylor Swift, Beck & St. Vincent
Image Credit: Christopher Polk/TAS/Getty Images for TAS Beck, Taylor Swift and St. Vincent perform during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 25, 2015 in Los Angeles, California. Read the story.
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Taylor Swift & John Legend
Image Credit: Christopher Polk/TAS/Getty Images for TAS John Legend and Taylor Swift perform “All of Me” onstage during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 25, 2015 in Los Angeles. Read the story.
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Taylor Swift & Alanis Morissette
Image Credit: Christopher Polk/TAS/Getty Images for TAS Alanis Morissette joins Taylor Swift onstage during The 1989 World Tour Live In Los Angeles at Staples Center on August 24, 2015 in Los Angeles. Read the story.
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Taylor Swift & Natalie Maines of Dixie Chicks
Image Credit: Christopher Polk/TAS/Getty Images for TAS Taylor Swift and Natalie Maines of Dixie Chicks perform onstage during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 24, 2015 in Los Angeles. Read the story.
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Taylor Swift & Ellen DeGeneres
Image Credit: Christopher Polk/TAS/Getty Images for TAS Taylor Swift and Ellen DeGeneres perform during Taylor Swifts The 1989 World Tour Live In Los Angeles at Staples Center on August 24, 2015 in Los Angeles, California. Read the story.
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Taylor Swift, Matt Leblanc, Chris Rock and&Sean O’Pry
Image Credit: Christopher Polk/Getty Images for TAS Matt Leblanc, Taylor Swift, Chris Rock and Sean O’Pry perform during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 22, 2015 in Los Angeles, California.
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Taylor Swift & Uzo Adouba
Image Credit: Steve Granitz/WireImage Uzo Aduba and Taylor Swift perform during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 22, 2015 in Los Angeles, California.
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Taylor Swift & Mary J. Blige
Image Credit: Christopher Polk/Getty Images for TAS Taylor Swift and Mary J. Blige perform during Taylor Swift The 1989 World Tour Live In Los Angeles at Staples Center on August 22, 2015 in Los Angeles, California.
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Taylor Swift, Joan Baez & Julia Roberts
Image Credit: John Medina/LP5/Getty Images for TAS Taylor Swift, Joan Beaz and Julia Roberts take a bow on stage during Swift’s “The 1989 World Tour” at Levi’s Stadium on August 15, 2015 in Santa Clara, California. Read the story.
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Taylor Swift & Little Mix
Image Credit: John Medina/LP5/Getty Images for TAS Taylor Swift and Little Mix perform together during Swift’s “The 1989 World Tour” at Levi’s Stadium on Aug. 15, 2015 in Santa Clara, California. Read the story.
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Taylor Swift & Fifth Harmony
Image Credit: John Medina/LP5/Getty Images for TAS Taylor Swift, Dina Jane Hansen, Normani Kordei, Camila Corbello, Ally Brooke and Lauren Jauregi of Fifth Harmony perform at Levi’s Stadium on August 14, 2015 in Santa Clara, California.Read the story.
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Taylor Swift & Fetty Wap
Image Credit: Suzi Pratt/LP5/Getty Images for TAS Taylor Swift and Fetty Wap at CenturyLink Field on Aug. 8, 2015 in Seattle, Washington. Read the story.
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Taylor Swift & Shawn Mendes
Image Credit: Suzi Pratt/LP5/Getty Images for TAS Taylor Swift and Shawn Mendes at CenturyLink Field on August 8, 2015 in Seattle, Washington.
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Taylor Swift, Russell Wilson & Ciara
Image Credit: Suzi Pratt/LP5/Getty Images for TAS Taylor Swift, Russell Wilson and Ciara perform at CenturyLink Field on August 8, 2015 in Seattle, Washington.
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Taylor Swift with Nico & Vinz
Image Credit: Jeff Vinnick/LP5/Getty Images for TAS Taylor Swift performs “Am I Wrong” with special guests Nico and Vinz during The 1989 World Tour Live at BC Place Stadium August 1, 2015 in Vancouver, British Columbia, Canada. Read the story.
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Taylor Swift & MKTO
Image Credit: Michael Loccisano/LP5/Getty Images for TAS Taylor Swift performs with Malcolm Kelly and Tony Oller of MKTO at Gillette Stadium on July 25, 2015 in Foxboro, Massachusetts.
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Taylor Swift & Walk the Moon
Image Credit: Michael Loccisano/LP5/Getty Images for TAS Taylor Swift and Nicholas Petricca of Walk the Moon perform at Gillette Stadium on July 24, 2015 in Foxboro, Massachusetts.
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Taylor Swift & Sam Hunt
Image Credit: Daniel Boczarski/LP5/Getty Images for TAS Taylor Swift and Sam Hunt perform during The 1989 Tour at Soldier Field on July 19, 2015 in Chicago, Illinois. Read the story.
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Taylor Swift with Andreja Pejic and Lily Donaldson
Image Credit: Daniel Boczarski/LP5/Getty Images for TAS Taylor Swift performs with Andreja Pejic and Lily Donaldson during The 1989 World Tour at Soldier Field on July 19, 2015 in Chicago. Read the story.
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Taylor Swift & Serayah
Image Credit: Daniel Boczarski/LP5/Getty Images for TAS Taylor Swift and Serayah McNeill perform during The 1989 World Tour at Soldier Field on July 18, 2015 in Chicago. Read the story.
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andy-grammer-taylor-swift-2015-billboard-650
Image Credit: Daniel Boczarski/LP5/Getty Images for TAS Andy Grammer and Taylor Swift perform during The 1989 Tour at Soldier Field on July 18, 2015 in Chicago, Illinois. Read the story.
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taylor-swift-jason-derulo-2015-billboard-650
Image Credit: Paul Morigi/LP5/Getty Images for TAS Taylor Swift and Jason Derulo perform onstage during The 1989 World Tour Live at Nationals Park on July 14, 2015 in Washington, DC. Read the story.
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taylor-swift-lorde-washington-dc-july-13-2015-billbaord-650
Image Credit: Kris Connor/LP5/Getty Images Taylor Swift and Lorde perform onstage during The 1989 World Tour Live at Nationals Park on July 13, 2015 in Washington DC. Read the story.
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Taylor Swift & Nick Jonas
Image Credit: Kevin Mazur/LP5/WireImage Nick Jonas and Taylor Swift perform during The 1989 World Tour Live at MetLife Stadium on July 11, 2015 in East Rutherford, New Jersey. Read the story.
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taylor-swift-friends-performance-2015-billboard-650
Image Credit: Larry Busacca/LP5/Getty Images for TAS Taylor Swift performs with Hailee Steinfeld, Gigi Hadid, Lily Aldridge and Lena Dunham during The 1989 World Tour Live at MetLife Stadium on July 10, 2015 in East Rutherford, New Jersey. Read the story
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Taylor Swift with World Cup Champions U.S. Women’s Soccer National Team & Heidi Klum
Image Credit: Kevin Mazur/LP5/WireImage World Cup Champions U.S. Women’s Soccer National Team, Heidi Klum and Taylor Swift onstage during The 1989 World Tour Live at MetLife Stadium on July 10, 2015 in East Rutherford, New Jersey. Read the story
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Image Credit: Larry Busacca/Getty Images for TAS Alana Haim, Danielle Haim and Este Haim of the band Haim perform during Taylor Swift’s The 1989 World Tour Live at MetLife Stadium on July 10, 2015 in East Rutherford, New Jersey.
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Taylor Swift & The Weeknd
Image Credit: Kevin Mazur/LP5/WireImage Taylor Swift performs with The Weeknd during The 1989 World Tour Live at MetLife Stadium on July 10, 2015 in East Rutherford, New Jersey. Read the story
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taylor-swift-1989-hyde-park-models-june-2015-billboard-650
Image Credit: Brian Rasic/LP5/Getty Images for TAS Martha Hunt, Kendall Jenner, Serena Williams, Taylor Swift, Karlie Kloss, Gigi Hadid and Cara Delevingne perform onstage during The 1989 World Tour at Hyde Park on June 27, 2015 in London, England. Read the story.
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Taylor Swift & Ellie Goulding
Image Credit: Brian Rasic/LP5/Getty Images for TAS Ellie Goulding performs at Hyde Park on June 27, 2015 in London, England.
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Taylor Swift & Rachel Platten
Image Credit: Dimitrios Kambouris/LP5/Getty Images for TAS Taylor Swift performs onstage with musician Rachel Platten during The 1989 World Tour on June 13, 2015 at Lincoln Financial Field in Philadelphia. Read the story.
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mariska-hargitay-taylor-swift-cara-delevingne-2015-billboard-650
Image Credit: Dimitrios Kambouris/LP5/Getty Images for TAS Mariska Hargitay, Taylor Swift, and Cara Delevingne pose onstage during The 1989 World Tour on June 12, 2015 at Lincoln Financial Field in Philadelphia, Pennsylvania. Read the story.
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Taylor Swift & Echosmith
Image Credit: Dimitrios Kambouris/LP5/Getty Images for TAS Taylor Swift performs onstage with Sydney Sierota of Echosmith during The 1989 World Tour on June 12, 2015 at Lincoln Financial Field in Philadelphia, Pennsylvania.
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taylor-swift-little-big-town-1989-tour-pittsburgh-june-2015-billboard-650
Image Credit: Jason Merritt/LP5/Getty Images for TAS Taylor Swift performs with the band Little Big Town during The 1989 World Tour live at Heinz Field on June 6, 2015 in Pittsburgh, Pennsylvania. Read the story.
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taylor-swift-dan-reynolds-detroit-2015-billboard-650
Image Credit: Larry Busacca/LP5/Getty Images for TAS Taylor Swift and Dan Reynolds of Imagine Dragons perform on stage during the 1989 World Tour Live at Ford Field on May 30, 2015 in Detroit, Michigan. Read the story.