(106.1 KISS FM Dallas) - iHeartRadio's inaugural Jingle Ball Tour kicked off at the American Airlines Center in Dallas, Texas Monday night in epic fashion.

[Highlights: 106.1 KISS FM's Jingle Ball]

The star-studded lineup included performances from Jason Derulo, Fifth Harmony, Robin Thicke, OneRepublic, Ariana Grande, Enrique Iglesias, Flo Rida, Selena Gomez, Austin Mahone, SoMo and Pitbull!

Each performer delivered an incredible set, and at times throughout the night there was even more going on backstage!

Check out some of the highights from 106.1 KISS FM's Jingle Ball:

Fellow Texas natives Austin Mahone and Selena Gomez were spotted palling around backstage - in fact, Austin spent some time hanging out in Selena's dressing room![GET THE STORY]

Photos: Getty Images

Meanwhile, The Wanted's Nathan Sykes was in the house supporting GF Ariana Grande at her first-ever Jingle Ball... awww! [GET THE STORY]

Photos: Getty Images

Flo Rida paid tribute to Paul Walker by dedicating his song, "I Cry" to the late actor.[GET THE STORY]

Photo: Jane Maus

Get the full 106.1 KISS FM Jingle Ball recap HERE!

Get all the deets on the Jingle Ball Tour and find out if it's coming to a city near you, how to buy tickets & more HERE!