'American Idol' Season 11 best and worst moments

"American Idol" Season 5 finalist Ace Young came up on stage with "Idol" Season 3 runner-up Diana DeGarmo, his girlfriend of several years - they met on Broadway in "Hair." Seacrest acted like he just wanted to talk to them, but it was all a ruse - Ace got down on one knee and proposed, calling Diana his "best friend." Awwwww!