Usher performs at the "A Decade of Difference" concert on October 15, 2011, at the Hollywood Bowl, Los Angeles.

(Photo by Stephanie Cabral/Yahoo!)

Watch Usher's entire performance... more 
Usher performs at the "A Decade of Difference" concert on October 15, 2011, at the Hollywood Bowl, Los Angeles.

(Photo by Stephanie Cabral/Yahoo!)

Watch Usher's entire performance less 
1 / 30
Sun, Oct 16, 2011 2:15 AM EDT