Lil Jon, Run the Jewels, Jimmy Eat World, The Pretty Reckless

Young Hollywood’s “Backstage Diaries” gets up close and personal with the hottest musical acts in the game. In this episode: Lil Jon reflects on his many smash-hit collabos during his DJ set at Create Nightclub; Hip-hop artists El-P and Killer Mike explain how they came together to form Run The Jewels; we hang out backstage at Jimmy Eat World’s album release party at the iHeart Radio Theatre; and The Pretty Reckless frontwoman Taylor Momsen and her bandmates talks about the songwriting process.