Lin-Manuel Miranda, Vice President Joe Biden & Jill Biden
Jill Biden, Hamilton creator-star Lin-Manuel Miranda and Vice President Joe Biden pose backstage at Hamilton at The Richard Rodgers Theater on July 27, 2015 in New York City.
First Lady Michelle Obama & Alicia Keys
Recording Academy President and CEO Neil Portnow and First Lady Michelle Obama present Alicia Keys with with the Recording Artists' Coalition Award during the 2015 Grammy's On The Hill Awards at The Hamilton on April 15, 2015 in Washington, D.C.
Chris Christie & Jamie Foxx
New Jersey Governor Chris Christie dances onstage with Jamie Foxx at Apollo in the Hamptons at The Creeks on August 16, 2014 in East Hampton, N.Y.
Eric Garcetti & Jay Z
Los Angeles Mayor Eric Garcetti and Jay Z make an announcement on the Steps of City Hall Downtown Los Angeles for a Labor Day Music Festival at Los Angeles City Hall on April 16, 2014 in Los Angeles, California.
Jewel & Gov. Andrew M. Cuomo
Jewel and honoree governor Andrew M. Cuomo attend the Elton John AIDS Foundation's 13th Annual An Enduring Vision Benefit at Cipriani Wall Street on October 28, 2014 in New York City.
Eli Broad, Katy Perry & Eric Garcetti
Gala Chair Eli Broad, Katy Perry and Mayor of Los Angeles Eric Garcetti attend MOCA's 35th Anniversary Gala presented by Louis Vuitton at The Geffen Contemporary at MOCA on March 29, 2014 in Los Angeles, California.
Mayor Karl Dean & Neil Young
Mayor Karl Dean and Neil Young attend the 2014 Musicians Hall of Fame Induction Ceremony at Nashville Municipal Auditorium on January 28, 2014 in Nashville, Tenn.
Beyonce & President Barack Obama
Barack Obama greets Beyonce after she performs the National Anthem during the public ceremonial inauguration on the West Front of the U.S. Capitol Jan. 21, 2013 in Washington, D.C.
Taylor Swift & New York City Mayor Michael Bloomberg
Taylor Swift and then-New York City Mayor Michael Bloomberg attend New Year's Eve 2013 In Times Square at Times Square on December 31, 2012 in New York City.
President Barack Obama & Bruce Springsteen
Barack Obama and Bruce Springsteen wave to a crowd of 18,000 people during a rally on the last day of campaigning in the general election November 5, 2012 in Madison, Wis.
Kid Rock & Congressman Paul Ryan
Kid Rock and Congressman Paul Ryan attends the Congressman Paul Ryan Rally With Kid Rock at Oakland University Athletic Center on Oct. 8, 2012 in Rochester, Mich.
Chris Christie & Bon Jovi
David Bryan, Richie Sambora, New Jersey Governor Chris Christie, Jon Bon Jovi and TIco Torres backstage during "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy at Madison Square Garden on Dec. 12, 2012 in New York City.
Mitt Romney & Kid Rock
Governor Mitt Romney greets Kid Rock during a campaign rally at the Royal Oak Theatre on February 27, 2012 in Royal Oak, Mich.
Steve Van Zandt & Chris Christie
Steve Van Zandt and New Jersey Governor Chris Christie attend NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on Nov. 2, 2012 in New York City.
Christina Aguilera, David Novak & Hillary Clinton
Christina Aguilera, David Novak, Chairman and Secretary of State Hillary Clinton attend the 11th annual George McGovern Leadership award ceremony at The State Department on October 3, 2012 in Washington, D.C.
Barbra Streisand & President Bill Clinton
Barbra Streisand and President Bill Clinton pose backstage at the 2011 Public Counsel's Annual Event Honoring President Bill Clinton held at The Beverly Hilton Hotel on March 18, 2011 in Beverly Hills, Calif.
Paul McCartney & Hillary Clinton
Sir Paul McCartney with United States Secretary of State Hillary Rodham Clinton as they prepare to pose for their formal class photo following the formal Artist's Dinner at the United States Department of State in Washington, D.C. on Dec. 4, 2010.
Ted Nugent & Sarah Palin
Ted Nugent laughs with former vice-presidential candidate Sarah Palin during a rally for Republican U.S. Senate candidate John Raese Oct. 30, 2010 in Charleston, West Va.
President Barack Obama & Stevie Wonder
Stevie Wonder makes remarks as U.S. President Barack Obama looks on during an evening of celebration in honor of musician Stevie Wonder's receipt of the Library of Congress Gershwin Prize for Popular Song in the East Room of the White House Feb. 25, 2009 in Washington, D.C.
Bono of U2 & Former Vice President Al Gore
Bono of U2 and Al Gore attend the second day of the World Economic Forum January 24, 2008 in Davos, Switzerland.
Bob Dylan & President Barack Obama
President Barack Obama smiles before presenting the Presidential Medal of Freedom to Bob Dylan during a ceremony on May 29, 2012 in the East Room of the White House.
Barack Obama & The First Family with Jennifer Hudson, Victoria Justice & Justin Bieber
Barack Obama, first lady Michelle Obama and daughters Sasha and Malia are joined by Jennifer Hudson, Victoria Justice and Justin Bieber for a final song at the conclusion of the performances at the annual "Christmas in Washington" gala on Dec. 11, 2011 in Washington, D.C.
Psy, Chris Mann, Diana Ross, Joe Biden, Demi Lovato, Megan Hilty, Conan O'Brien & Scotty McCreery
Psy, Chris Mann, Diana Ross, United States Vice President Joe Biden, singers Demi Lovato, Megan Hilty, host Conan O'Brien and singer Scotty McCreery attend TNT Christmas in Washington 2012 at National Building Museum on Dec. 9, 2012 in Washington, D.C.
Barack Obama & Justin Bieber
Barack Obama and Justin Bieber during "Christmas in Washington" at the National Building Museum on December 11, 2011 in Washington, D.C.
Nancy Pelosi, Irwin Redlener & Paul Simon
House Speaker Nancy Pelosi, Irwin Redlener, president and co-founder of The Children's Health Fund and Paul Simon, also a co-founder of the Fund, hold a press conference after the passage of the Children's Health Insurance program at Speaker's Balcony Hallway in the Capital on March 11, 2009 in Washington, D.C.
Larry Mullen Jr, Bono, Adam Clayton & Michael Bloomberg
Larry Mullen Jr, Bono, Adam Clayton and Michael Bloomberg attend the unveiling of a portion of West 53rd street to be temporarily renamed 'U2 Way' on March 3, 2009 in New York City.
Alicia Keys & Bill Clinton
Alicia Keys and President Bill Clinton attend the Clinton Global Citizen Awards during the 2009 Clinton Global Initiative at the Sheraton New York Hotel & Towers on Sept. 24, 2009 in New York City.
James Brown & Colin Powell
James Brown talks with U.S. Secretary of State Colin Powell after a dinner at the State Department for the Kennedy Center Honors December 6, 2003 in Washington, D.C.
Mick Jagger & George Pataki
Mick Jagger with then Gov. George Pataki backstage at The Concert for New York City to benefit the victims of the World Trade Center disaster at Madison Square Garden in New York City on Oct. 20, 2001.
Bill Clinton & Stevie Wonder
Bill Clinton talks with Stevie Wonder during a Democratic National Committee fundraiser honoring President Bill Clinton May 24, 2000 at the MCI Center in Washington, D.C.
Cher & Hillary Clinton
Cher and Hillary Clinton at Hillary Clinton's Birthday Party at the Hudson Hotel in New York City on Oct. 25, 2000.
Paul McCartney, Jim Carrey & George Pataki
Paul McCartney, Jim Carrey, and Gov. George Pataki at The Concert for New York City to benefit the victims of the World Trade Center disaster at Madison Square Garden in New York City on Oct. 20, 2001.
George Harrison & Billy Preston with Gerald Ford
George Harrison and Billy Preston meet President Gerald Ford in the Oval Office December 13, 1974 in Washington D.C.
Richard Nixon & Elvis Presley
Richard Nixon meets with Elvis Presley Dec. 21, 1970 at the White House in Washington, D.C.
Frank Sinatra & John F. Kennedy
Frank Sinatra and John F. Kennedy at the Sands Hotel in Las Vegas in February 1960.