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| Lady Gaga, center, performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Lady Gaga performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Singer Pink performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Leon Russell performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Lady Gaga is carried by a dancer as they perform 'Poker Face' at the start of the 52nd annual Grammy Awards in Los Angeles January 31, 2010. (REUTERS/Mike Blake) |
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| Pink performs 'Glitter in the Air' at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Green Day and the cast of American Idiot perform at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Singer Pink performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Lady Gaga, center, performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Jennifer Lopez introduces a performance by Green Day at the 52nd annual Grammy Awards in Los Angeles January 31, 2010. REUTERS/Mike Blake |
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| Pink performs 'Glitter in the Air' at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Pink performs 'Glitter in the Air' at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Pink performs 'Glitter in the Air' at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Beyonce performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
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| Zac Brown performs at the Grammy Awards on Sunday, Jan. 31, 2010, in Los Angeles. (AP Photo/Matt Sayles) |
