Adam Lambert August 1, 2010

Adam Lambert finished Season 8 of 'American Idol' as the runner-up, next to winner Kris Allen. After touring with the other Season 8 finalists, Lambert's debut album, 'For Your Entertainment,' debuted at number three on the Billboard 200 in November 2009. Singles from that album include 'Whataya Want from Me,' 'For Your Entertainment' and 'Voodoo.'