Bono

As usual, Wednesday night's event saved the big reveal for the final few minutes, bloating its two hour bulk with guest stars out to piggy back on a ratings collosus.

This year's starry list included everyone from Lady Gaga to Beyonce to The Edge and Bono performing a song from "Spiderman." Yet, the peak turned out to be finalist James Durbin in a screech-off with his own idols, Judas Priest

Source: http://www.nydailynews.com/entertainment/tv/2011/05/25/2011-05-25_scotty_mccreery_wins_american_idol_over_lauren_alaina_youngest_singer_to_ever_wi.html?r=topnews