Didi Benami Photo
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Photo Flash: Usher, Diddy, will.i.am & More On AMERICAN IDOL!
On Wednesday, March 31, AMERICAN IDOL welcomed guest appearances by superstars Usher, Diddy, wil.i.am, and IDOL seaseon 2 winner Reuben Studdard. Check out the pictures below - including photos from Tuesday's performance show.