 In the finale he sang " Don 't Let the Sun Go Down on Me " , " In This Moment " and " Imagine " . Judge Simon Cowell declared that Archuleta won the evening and even David Cook , who ultimately won , thought Archuleta would win : " I have to concede it , the kid came out all three songs and nailed it , " said Cook . In the final tally , Archuleta received 44 percent of the votes . During the finale show , identical commercials featuring Archuleta and fellow finalist Cook mimicked the Tom Cruise scene from Risky Business where he dances in his underwear playing an air guitar ; they were promoting the game franchise Guitar Hero . 
