runner-up Adam Lambert
and the show's winner Kris Allen
rock out at the American Idols Live!
tour 2009 at Staples Center on Thursday (July 16) in Los Angeles.Lambert
, 27, performed "Whole Lotta Love" (by Led Zeppelin
), "Starlight" (by Muse
), "Mad World," "Slow Ride" with Allison Iraheta
, and a David Bowie
medley (Life On Mars/Fame/Let's Dance).