AMERICAN IDOLS KRIS ALLEN AND DAVID COOK WILL BE JOINED BY IDOL RUNNER-UP LAMBERT IN GMA CENTRAL PARK CONCERT

On Friday, Aug 7th, New York's Central Park may be the rockin'est place around!

Good Morning America's (ABC) Summer Concert Series in Central park will feature three of American Idol's most talented graduates -- current American Idol Kris Allen, former Idol winner David Cook and fan favorite Adam Lambert.