fun. took the stage by storm at the iHeartRadio Music Festival with their energetic set which ranged from 'Some Nights' tracks to even a cover of the Rolling Stones' classic, "You Can't Always Get What You Want"!

PHOTOS: fun. performing live at the iHeartRadio Music Festival.

VIDEO: fun.'s collaboration with Queen + Adam Lambert.

Frontman Nate Ruess also gave a friendly shout-out to fellow iHeartRadio Music Festival performers Katy Perry, Elton John and Queen. Meanwhile, Ruess revealed earlier that he'll be joining Queen on stage for their set later tonight via the band's Twitter! Stay tuned!

Photo: Getty Images

Photo: Getty Images

Photo: Todd Owyoung for iHeartRadio

*Follow the author, Stephen Eckert, on Twitter @S_Eckert