Oh Snap! Photo Booth Fun at the iHeartRadio Music Festival

From Bruno Mars to Katy Perry, see which stars rocked out for the camera at the Sin City extravaganza

Credit: Harper Smith for iHeart Radio

Updated: Monday Sep 23, 2013 | 05:20 PM EDT By: Kiran Hefa and Alison Schwartz

ZEDD

While his normal instrument of choice is a turntable, the DJ – real name: Anton Zaslavski – opts for a trumpet this time around.