Updated: Sept. 21, 2019 at 3:42 PM
Camila Cabello, Backstreet Boys walk 2019 iHeartRadio Festival red carpet (34 images)
Camila Cabello, the Backstreet Boys and Christina Aguilera walked the red carpet at the 2019 iHeartRadio Music Festival on September 20, 2019, at T-Mobile Arena in Las Vegas.
Audrey McGraw and Tim McGraw, who performed September 20. Photo by James Atoa/UPI
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Rock band Cage The Elephant performed September 20. Photo by James Atoa/UPI
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Tré Cool, Billie Joe Armstrong and Mike Dirnt of Green Day performed September 20. Photo by James Atoa/UPI
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