There's never a dull moment in Las Vegas, but this past weekend was a particularly packed one for Sin City, which played host to the first two nights of the Eagles' five-month residency at the Sphere on Friday and Saturday and the two-day iHeartRadio Music Festival on those same nights.

Catch up on some of the highlights from the 2024 iHeartRadio Music Festival at T-Mobile Arena on Sept. 20 and 21, 2024, in Las Vegas, Nevada.

Check out photos of Big Sean, Camila Cabello, Doja Cat, Dua Lipa, Gwen Stefani, Halsey, Hozier, Keith Urban, and more at the 2024 iHeartRadio Music Festival hosted by Ryan Seacrest.

Billboard takes you inside the best moments backstage and in Vegas' T-Mobile Arena with Doja Cat, Shaboozey, Gwen Stefani, Victoria Monét & more stars.

The iHeartRadio Music Festival is this weekend in Las Vegas, and concertgoers can look forward to a full lineup including Big Sean, Camila Cabello, Doja Cat, Dua Lipa, Gwen Stefani, and more, with headliners Chris Martin and The Weeknd.

Backstage Camila Cabello and Gwen Stefani at day 1 of the iHeartRadio Music Festival held at T-Mobile Arena on September 20, 2024 in Las Vegas, Nevada. iHeartRadio Music Festival Day 1 – Red Carpet Kia Marie at day 1 of the iHeartRadio Music Festival held at T-Mobile Arena on September 20,

The iHeartRadio Festival came back with another star-studded line-up. Featuring performances by A-list musicians like Dua Lipa, Gwen Stefani, The Weeknd, the annual music festival returned to the T-Mobile Arena in Las Vegas for the ninth year.