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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: (l-r) Matt Lauer and Christina Aguilera appear on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: TODAY -- Pictured: Christina Aguilera appears on NBC News' "Today" show - (Photo by: Peter Kramer/NBC/NBC NewsWire via AP Images)
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ChristinaAguileraChina: People Christina Aguilera