Most Epic Moments From Our iHeartRadio Music Festivals Through the Years

The 2021 iHeartRadio Music Festival is right around the corner, and a star-studded lineup is about to take over the stage at T-Mobile Arena, and at AREA15 all weekend long.

Over the last eleven years, the iHeartRadio Music Festival has made music history as artists and bands from many different genres have shared the stage in Las Vegas for the epic two-night show. From one-of-a-kind collaborations, to surprise performances, to unforgettable moments on-stage and backstage, it has only shown that truly anything can happen at this show.

Collaborations over the years have included Lady Gaga and Sting, Miley Cyrus and Billy Idol, Prince and Mary J. Blige, Gwen Stefani and P!nk, Kesha and Joan Jett, J. Cole and TLC, and so many more.

To get you excited for the 2021 show, take a look back on some of the most epic moments from the iHeartRadio Music Festival over the last decade:

2011 - Alicia Keys and JAY-Z

2011 - Sting and Lady Gaga

2012 - Prince and Mary J. Blige

2012 - Green Day

2012 - Gwen Stefani and P!nk

2012 - Taylor Swift

2012 - RIhanna

2012 - Pitbull and Ne-Yo

2013 - Elton John

2013 - Queen and Adam Lambert

2013 - Bruno Mars

2013 - Kesha and Joan Jett

2013 - Miley Cyrus

2013 - J. Cole and TLC

2013 - Paul McCartney

2014 - Ariana Grande and Childish Gambino

2014 - Nicki Minaj and Ariana Grande

2014 - Chris Brown and Usher

2014 - Ed Sheeran and Macklemore

2014 - Pete Wentz and Steve Aoki

2014 - Taylor Swift

2015 - Fall Out Boy and Fetty Wap

2015 - Stephan Jenkins and Demi Lovato

2015 - Kanye West

2015 - Diddy and Tori Kelly

2016 - Britney Spears and G-Eazy

2016 - U2

2016 - Backstreet Boys and Florida Georgia Line

2016 - Billy Idol and Miley Cyrus

2016 - Cage The Elephant

2016 - Usher

2016 - Ariana Grande and Zedd

2016 - twenty one pilots

2017 - Kylie Jenner Spotted

2017 - DjJ Khaled, Travis Scott, Demi Lovato, Chance the Rapper, and Quavo

2017 - Lorde and Khalid

2017 - Lorde and Jack Antonoff

2017 - 30 Seconds to Mars

2017 - Bebe Rexha and Louis Tomlinson

2017 - Coldplay

2018 - Justin Timberlake and Shawn Mendes

2018 - Kygo and Miguel

2019 - Miley Cyrus

2019 - Cage the Elephant

2019 - Alicia Keys and Lewis Capaldi

2019 - Marshmello and Kane Brown

2019 - Steve Aoki and Backstreet Boys

2019 - Steve Aoki and Monsta X

2019 - Steve Aoki and Darren Criss

PHOTOS: Greg Noire, Getty Images, Jenn Devereaux, Andrew Swartz, Chris Owyoung, Todd Owyoung, Ashley Osborn

2020 - BTS

Photo: Taeseong Kim

2020 - Alicia Keys

Photo: Wes and Alex for iHeartRadio