BET Awards: Five essential moments from Sunday night

Sunday night's 12th annual BET Awards show, which took place at the Shrine Auditorium and was broadcast nationwide on BET, will be remembered for a lot of terrific live musical moments, each very different�from the rest. Though the awards themselves were won by a fairly predictable�collection of artists in attendance (Kanye West�and Jay-Z, the latter's wife Beyonce, Chris Brown and others), it was the unscripted -- but very rehearsed -- live songs that earned the buzz.

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