Christina Aguilera Teases Possible Collaboration with Justin Bieber

The one artist Christina Aguilera really wanted to hear at the American Music Awards was Justin Bieber! She told "Extra's" Renee Bargh on the red carpet, “I’m really into this song right now called, ‘As Long as You Love Me’ and it’s Justin Bieber’s song, so I’m actually looking forward to it tonight.”

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