Lionel Richie brought back 80s nostalgia.

Additionally, they captivated the audience with their hits including 'Stay,' 'Latch' and more.

Sam Smith surprised the crowd by bringing Kim Petras on stage to perform their new song 'Unholy,' which features Kim Petras.

Pitbull kicked off Friday night dancing his way through his set with fan favorites including 'Don't Stop the Party,' 'Fireball,' 'Timber,' 'Give Me Everything,' 'Can't Stop Us Now' and more.

Highlights of the 2022 iHeartRadio Music Festival: The iconic weekend-long concert event included the biggest names in music across all genres on the main stage at the T-Mobile Arena in Las Vegas on the evenings of September 23 and September 24, and at the Daytime Stage at the iHeartRadio Music Festival Saturday afternoon at AREA15, which featured performances by from Avril Lavigne, Maggie Rogers, 5 Seconds of Summer, Big Time Rush, Girl in Red, Lauv, Chlöe, Willow, JAX, Chase Rice, Latto, Carly Pearce, Ryan Hurd, GAYLE and Lauren Spencer-Smith. DJ Z-Trip, Luke Combs, Maren Morris, Megan Thee Stallion, Morgan Wallen, Pat Benatar & Neil Giraldo, Pitbull, Sam Smith, Sean Diddy Combs and The Black Keys. NEW YORK - SeptemAfter two days and dozens of legendary performances, the twelfth annual iHeartRadio Music Festival hosted by Ryan Seacrest concluded on Saturday evening at T-Mobile Arena in Las Vegas with unforgettable performances over the span of two days by Avril Lavigne, Black Eyed Peas, Halsey, Lionel Richie, LL COOL J feat. The CW Network Will Broadcast a Two-Night Television Special on Friday, October 7 and Saturday, October 8 from 8 - 10 p.m.

The 2022 iHeartRadio Music Festival Returned to Las Vegas With An Iconic Lineup and Unforgettable Moments

Iheart radio lineup