Justin Bieber Performs a Duet With Selena Gomez


To his fans' delight, Justin Bieber brought a very special guest on stage with him at his concert in Brazil Thursday night . . . none other than his girlfriend, Selena Gomez! Check out their adorable duet of one of Selena's hit songs! Plus, Lady Gaga gets a bit hairy and Kim Kardashian channels her inner J.Lo.


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