Winner David Cook, left, wipes away a tear after learning from host Ryan Seacrest, right, that he is the new "American Idol" on May 21, 2008.
"American Idol" winner David Cook, second from right, celebrates his win with fellow finalists David Archuleta, left, Carly Smithson, second from left and Michael Johns, right on May 21, 2008.
Bryan Adams, center, performs with the 6 male finalists on the "American Idol" season finale. From left, David Hernandez, Michael Johns, David Archuleta, David Cook, Chikezie Eze and Jason Castro.
Donna Summer, center, sings with the top 6 female finalists on the season 7 finale of "American Idol" on Fox May 21, 2008. Summer sang her latest single, "Stamp Your Feet," and her classic "Last Dance."
Mike Myers promotes his movie "Love Guru" during the "American Idol" finale on Fox May 21, 2008.
Seal, left, and third place Syesha Mercado sing "Waiting For You" on the season finale of "American Idol" on May 21, 2008.
"American Idol" winner David Cook, left, and runner-up David Archuleta walk on stage at the Nokia Live theater in Los Angeles at the beginning of the show's season 7 finale on May 21, 2008. Cook beat Archuleta by 12 million votes.
Season 4 winner Carrie Underwood sings "Last Name" on the "American Idol" finale on May 21, 2008.
Runner-up David Archuleta sings on the "American Idol" finale on May 21, 2008. Archuleta received 44 percent of the record 97.5 million votes cast by viewers.
Winner David Cook sings on the "American Idol" season 7 finale on May 21, 2008. Cook had 56 percent of the votes, 12 million more than runner-up David Archuleta.
From left, judges Paula Abdul, Randy Jackson, and Simon Cowell greet each other before the finale of Fox's "American Idol" at the Nokia Theater L.A. Live in Los Angeles May 21, 2008.
Buddies David Archuleta, left, and David Cook, right, on stage at the Nokia Theater L.A. Live during the "American Idol" season 7 finale May 21, 2008. Judge Simon Cowell complimented both contestants for giving it their best and being "very nice people."
Fans of David Archuleta gathered in Salt Like City to watch the season finale of "American Idol" on May 21, 2008.
Former contestants, from left, David Hernandez, Chikezie , Jason Castro, and Michael Johns perform during the finale of "American Idol" at the Nokia Theater L.A. Live in Los Angeles, May 21, 2008.
Carly Smithson and Michael Johns perform the song "The Letter" during the finale of "American Idol" at Nokia Theater L.A. Live in Los Angeles, May 21, 2008.
Finalist Jason Castro sings Tim Buckley's "Hallelujah" on Fox's "American Idol" May 21, 2008.
Singer Graham Nash, left, and finalist Brooke White sing "Teach Your Children" on the "American Idol" season 7 finale May 21, 2008. Nash will be going on tour this summer.
David Cook, center, sings "Well Dressed Man" with ZZ Top on the "American Idol" finale at the Nokia Theater L.A. Live on May 21, 2008.
The Jonas Brothers perform on the "American Idol" season finale on May 21, 2008.
David Cook fans Megan Krause, left, 13, and Tarah Pearson, 13, both of Emporia, Mo., cheer on Wednesday, May 21, 2008, during an American Idol watch party at the Kansas City Live stage in the Power & Light District in Kansas City, Mo.