PHOTOS: Kris Allen, Adam Lambert and David Cook Say Good Morning, America

By:OK! Staff

Aug. 7 2009, Published 1:45 p.m. ET

American Idol champs Kris Allen and David Cook, along with this season's runner-up, Adam Lambert , teamed up to perform their biggest hits live for adoring fans in NYC on Friday as part of Good Morning America's Summer Concert Series.

CHECK OUT ALL 24 PICS OF KRIS, ADAM AND DAVID IN THE GALLERY!