2019 iHeartRadio Music Festival | Entertainment News, Photos, and Videos

Nick Carter belts out a song alongside his Backstreet Boys groupmates during their performance at the 2019 iHeartRadio Music Festival on Friday night (September 20) at the T-Mobile Arena in Las Vegas.

The 39-year-old singer has been mixed up in a lot of family drama this week after he obtained a temporary restraining order against his younger brother Aaron Carter. Get more details here.

BSB met up with Steve Aoki at the event. They just collaborated on the song “Let It Be Me.”

During his set, Steve brought out special guest Darren Criss to perform their collab “Crash Into Me.”

More performers at the event included Lil Nas X, Green Day, and Tim McGraw. See photos of them in the gallery!

Halsey belts out a song during her performance at the 2019 iHeartRadio Music Festival on Friday night (September 20) at the T-Mobile Arena in Las Vegas.

The 24-year-old singer performed her new single “Graveyard” live for the first time at the event!

You can watch a short clip of the performance below and you can check out more footage from the festival when it airs on The CW on October 2 and 3.

Backstage at the show, Halsey tweeted, “uh @RyanSeacrest made me a homemade ice cream cake for an early bday present I’m honestly on the verge of tears how nice is that.”

Camila Cabello hits the stage for a performance during night one of the 2019 iHeartRadio Music Festival on Friday night (September 20) at the T-Mobile Arena in Las Vegas.

The 22-year-old singer performed five songs at the show – including her song “Senorita” even though boyfriend and collaborator Shawn Mendes was not there.

Camila performed her new songs “Shameless” and “Liar” for the very first time and she also did her hits “Havana” and “Never Be the Same.”

You can check out a short clip of the performance below and make sure to tune in when the festival airs on The CW on October 2 and 3.

FYI: Camila is wearing Celia Kritharioti on stage and a Cong Tri outfit on the carpet.

Christina Aguilera looked radiant in red while stepping out for the 2019 iHeartRadio Music Festival!

The 38-year-old entertainer hit the red carpet at the fest on Friday night (September 20) at the T-Mobile Arena in Las Vegas.

PHOTOS: Check out the latest pics of Christina Aguilera

She was also joined by host Ryan Seacrest as well as presenters Julianne Hough, James Van Der Beek, Dennis Quaid, Taye Diggs and performer French Montana.

Later in the evening, Christina joined Ryan on stage to help kick off the festival.

“@Xtina is way more chill about kicking off #iHeartFestival2019,” Ryan wrote on his Instagram.

20+ pictures inside from the iHeartRadio Music Festival…