David Cook, Kris Allen and Adam Lambert on 'Good Morning America'

David Cook, Kris Allen and Adam Lambert rocked out on Good Morning America. (YouTube Video)"]

American Idol alums David Cook, Kris Allen and Adam Lambert took to the Good Morning America the Central Park stage and rocked out to the Fleetwood Mac hit, "Little Lies." Their performance was not televised, but instead was only offered for a Web exclusive.

Cook took the first few verses, then surprised the audience by announcing, "Ladies and gentlemen, I need you to make a ton of noise for Adam Lambert and Kris Allen!"

The three Idols had all performed separately on Good Morning America's live "Summer Concert Series" with Cook performing his hit single "Come Back To Me," Lambert performed his rendition of Muse's "Starlight," and Allen performed his cover of Kanye West's "Heartless."

Do you think American Idol will win an Emmy for Best Reality Show? Get all your Emmy odds in the Bodog Sportsbook's entertainment betting today.