In 1999, Ice-T released his studio album "The Seventh Deadly Sin" and channeled his Body Count rocker energy into shows on that summer's Warped Tour.
Less than two months after releasing "Enema of the State," Blink-182 bassist Mark Hoppus gets some air at Warped's July 16, 1999 stop at Randalls Island, New York.
Yes, Eminem played Warped Tour. "The Slim Shady LP" dropped in Feb. 1999, and that summer, Em performed "My Name Is" and other early-career cuts to thousands of kids on Warped.
Before Fergie joined and back when they were marketed as an alternative hip-hop group, the Black Eyed Peas performed Warped dates alongside the likes of Eminem and Ice-T in 1999.
Back in 2000, Green Day was on the Warped Tour several months before the release of their sixth LP, "Warning." Here's Billie Joe Armstrong rocking out in Ventura, Cali.
Back during their time with the independent punk label Nitro Records, here is AFI playing tracks from their album "The Art of Drowning" at Phoenix in 2001.
Tim Armstrong of Rancid shows off his moves at Warped Tour in San Francisco in 2001.
The Mighty Mighty Bosstones
The impression that I get...is that the Mighty Mighty Bosstones rocked pretty hard in 2002.
Around the time The Used releases their self-titled debut album, frontman Bert McCracken works the crowd at Warped in San Francisco in 2002.
Chris Gaylor, Mike Kennerty, Nick Wheeler and Tyson Ritter of the All-American Rejects sign autographs at the 2003 Vans Warped Tour on Randall's Island on Aug. 9, 2003 in New York City.
New Found Glory singer Jordan Pundik performs at the 2004 Vans Warped Tour in Camden, New Jersey; there's a good chance he's singing one of the hits from that year's NFG album, "Catalyst."
"This is the anthem, throw all your hands up..." for Good Charlotte at the 2004 Warped Tour in Boston.
My Chemical Romance performs during the 2004 Vans Warped Tour -- the summer their breakthrough "Three Cheers For Sweet Revenge" came out, and the summer before they became truly huge.
Pete Wentz pops his collar and the rest of Fall Out Boy strikes a pose at the 2005 Warped Tour at Germain Amphitheater in Columbus, Ohio.
Billy Idol brought hits like "White Wedding" and "Rebel Yell" to the 2005 Warped Tour. Here he is performing in Pomona, Calif.
Zacky Vengeance and Synyster Gates of Avenged Sevenfold rock out during 2005 -- the year they became the first band to perform with a smoke machine on Warped Tour.
Travis McCoy and Marc DeJesus of Gym Class Heroes pose during the 2006 Vans Warped Tour at Nassau Coliseum in Uniondale, New York.
Joan Jett & The Blackhearts
In 2006, Joan Jett & The Blackhearts were the much-respected veterans rounding out the Warped bill. Here they are performing in Fitchburg, Mass.
Jared Leto of Thirty Seconds to Mars delivers the hits during the 2006 Warped Tour at Fitchburg, Mass.
Paramore's Josh Farro, Hayley Williams, Hunter Lamb, Jeremy Davis and Zac Farro pose at the Warped Tour 2006 Press Night and Party at Plush at the Key Club in Hollywood, Calif.
Yes, Katy Perry once played Warped Tour! This was 2008, around the time her single "I Kissed a Girl" was starting to gain momentum. Here she is on June 22 in Ventura, Cali.
Chris Barker of Anti-Flag rocks out at Warped Tour 2010 at Sleep Train Amphitheater in Wheatland, Cali.
Demi Lovato poses backstage at Warped Tour 2010 in Ventura, Cali.'s Seaside Park.
The Dropkick Murphys, veterans of the Warped Tour dating back to 1998, pose backstage at Warped 2010 at Cricket Wireless Amphitheatre in San Diego, Cali.
Sum 41's Deryck Whibley gets the crowd pumped at Warped 2010 in Mountain View, Calif.
Andy Biersack, Sebastian Bach & Danny Worsnop
Andy Biersack of Black Veil Brides, Sebastian Bach and Danny Worsnop of Asking Alexandria pose backstage at the 2011 Vans Warped Tour at California State University.
Paramore were Warped veterans by 2011, their sixth year on the tour; here's Hayley Williams getting charged up at Milwaukee's Marcus Amphitheatre that summer.
All Time Low guitarist Jack Barakat gets up close with the crowd at Warped 2012 at Ventura, Calif.'s Seaside Park.
Drummer Dan Whitesides, vocalist Bert McCracken, guitarist Quinn Allman and bassist Jeph Howard of The Used clown around backstage at the Warped Tour in San Diego on June 27, 2012.
A Day To Remember frontman Jeremy McKinnon commands the crowd during a surprise set at Warped 2014 on July 19 in Tinley Park, Illinois.
The legend Chester Bennington performs in Ventura, Cali. during Linkin Park's lone summer on the Warped Tour, 2014.
Machine Gun Kelly & Mike Shinoda
Machine Gun Kelly and Linkin Park's Mike Shinoda pose backstage at Warped on June 22, 2014 in Ventura, Calif.
Tyler "Telle" Smith of The Word Alive gets the Warped crowd into a frenzy on June 20, 2014 in Pomona, Calif.
Pop hitmaker Bebe Rexha performs at Ventura, Cali.'s Seaside Park during Warped 2015.
Waka Flocka Flame gets into his Warped set at White River Amphitheater on Aug. 12, 2016 in Auburn, Wash.
Echosmith's Sydney Sierota connects with the crowd during the band's Pomona, Cali. show on June 21, 2018.