Justin Bieber performs side by side with Usher at the 2011 Grammy Awards held at The Staples Center in Los Angeles on Sunday night.
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Justin Bieber performs with Usher at the grammys
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2010 MTV Video Music Awards live
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Starstruck Justin Bieber meets NBA legend Michael Jordan
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Justin Bieber holds hands with Selena Gomez at Jingle Ball event
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Taylor Swift performing at CMA Awards
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Justin Bieber to collaborate with Ke$ha on new album
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Justin Bieber pays tribute to Michael Jackson
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Justin Bieber turns wedding singer
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Justin Bieber Tweets he Officially has his...
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Justin Bieber shooting new concert movie in Miami
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Adele cleans up at the Billboard Music awards 2012
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Justin Bieber booed at Billboard Music Awards --
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Justin Bieber joins Taylor Swift on stage
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Justin Bieber accused of stealing credit card
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Justin bieber's just having 'fun'
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Jennifer Hudson to perform at Grammy Awards
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Chris Brown to perform at the Grammy awards