WHAT A SHOW!!  One of my favorite aspects of this year were the ALL STAR Team ups! Joan Jett even Showed up to ROCK out while Pop Superstar KESHA downed a Bottle of Jack Daniels!! The Blackhearts meet iHeart!?!  I LUV ROCK n ROLL! Put another dime in the Jukebox BABY!!(or your Mobile Device) See the full gallery below!

Photo: Getty Images for iHeartRadio

http://news.iheart.com/photos/main/collabs-at-the-iheartradio-music-festival-367620/21592827/