Adam Lambert had the night off from his current Glam Nation tour on July 13, but that didn't keep him from performing. The season 8 "American Idol" runner-up made an appearance at the Lansing, Michigan, Common Ground Festival.
Lambert headlined the Tuesday night showcase, arriving on stage in a top hat and performing "For Your Entertainment" tracks "Fever," "Strut" and "Voodoo." Fellow season 8 alum Allison Iraheta even kicked off the night as his opener, singing her cover of Pat Benatar's "Heartbreaker."
And the duo have some pretty eclectic company on the lineup. Other headliners include Alice Cooper, Sammy Hagar, Ludacris and Bret Michaels.