Screen Grabs: Bieber, Usher Take Over South Bay Published May 17, 2010 • Updated on November 15, 2021 at 6:10 pm Photos of Justin Bieber, Usher, B.o.B., Jason Derulo and Ke$ha 25 photos 1/25 Gwendolyn Jackson Photos of Justin Bieber, Usher, B.o.B., Jason Derulo and Ke$ha performing at Cricket Wireless Amphitheatre on Friday. 2/25 Gwendolyn Jackson Bieber shows his dancing moves with his all-boy dance crew. 3/25 Justin Bieber sings to one very lucky fan. 4/25 Gwendolyn Jackson 5/25 Gwendolyn Jackson Performing "Somebody to Love" live for the first time. 6/25 Gwendolyn Jackson Justin Bieber talks to his fans. 7/25 Gwendolyn Jackson Singing to screaming fans in the front row 8/25 Gwendolyn Jackson Ke$ha talks to the crowd. 9/25 Gwendolyn Jackson Ke$ha and her water bottle holder. 10/25 Ke$ha comes onstage singing "Tik Tok." 11/25 Gwendolyn Jackson Moon walking away from the stage. 12/25 Gwendolyn Jackson Usher performing "You Got it Bad." 13/25 Usher performs "Papers." 14/25 Gwendolyn Jackson The fans sing "Airplanes" with B.o.B. 15/25 Gwendolyn Jackson B.o.B. performs "Don't Let Me Fall" 16/25 Gwendolyn Jackson B.o.B. thanks the crowd for the warm welcome 17/25 Gwendolyn Jackson Marvin Humes performs "Everybody in Love." 18/25 Gwendolyn Jackson J-L-S opens the Channel 933 Summer Kick-Off concert. 19/25 Gwendolyn Jackson Aston Merrygold dances on cue. 20/25 Gwendolyn Jackson British pop band Jack the Lad Swing (J-L-S) performs "Beat Again" 21/25 Gwendolyn Jackson Derulo sings his hit, "Whatcha Say." 22/25 Gwendolyn Jackson The fans scream as Jason Derulo comes onstage. 23/25 Gwendolyn Jackson Jason Derulo and crew showing their dance moves. 24/25 Gwendolyn Jackson 25/25 Gwendolyn Jackson Virgin Island native Iyaz performs "Replay" More Photo Galleries In photos: Impact of Hurricane Milton In pictures: See damage from Hurricane Helene This is what the first blue supermoon of August looked like over San Diego Así lució la primera Superluna azul de agosto sobre San Diego