9. Diana DeGarmo
Then: Diana was the runner-up to Barrino during the third season of American Idol but has not been stagnant since. She has released her first album, starred in the Broadway show Hairspray and joined the cast of the soap opera drama The Young & The Restless as Angelina.
Now: In 2012, on the season finale of American Idol, fellow AI alumni Ace Young proposed to her live on-air. She is expected to wed him on June 1, 2013.
Photo Credit: FOX