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

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.

Dua Lipa might’ve been feeling some “Future Nostalgia” over the weekend. The pop star looked to the fashion of the early aughts to attend day one of the iHeartRadio Music Festival on Sept. 22 in Las Vegas, where she wore Tom Ford for Gucci sandals dating back to 2002 with a black-on-black ensemble from Ann Demeulemeester’s spring 2006 collection.

Doja Cat performs at the 2024 iHeartRadio Festival, plus Zendaya, Cate Blanchett and more. From Hollywood to New York and everywhere in between, see what your favorite stars are up to.

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.

The iHeartRadio Music Festival, now in its 14th year, is set to return to Las Vegas for an exciting two-day event on September 20 and 21. Hosted at the T-Mobile Arena, this festival promises an electrifying, star-studded lineup of artists spanning various genres.

Judi D hosts the iHeartRadio Music Festival live on the iHeartRadio app and discusses the new ‘coolcations’ trend.

The stars were out Friday and Saturday at the iHeartRadio Music Festival at T-Mobile Arena in Las Vegas. Performers include Big Sean, Camila Cabello, Doja Cat, Gwen Stefani, Hozier, Keith Urban, New Kids on the Block,