Usher's hair-raising transformation at charity event

Usher performs onstage with Jessica White during Gabrielle's Angel Foundation Hosts Angel Ball 2013 at Cipriani Wall Street in New York City. (Photo by Getty Images)

Usher (Photo by Getty Images)

Usher (Photo by Getty Images)

Martha Stewart and Usher attend Gabrielle's Angel Foundation. (Photo by Getty Images)

Usher and President and Co-founder of Gabrielle's Angel Foundation Denise Rich. (Photo by Getty Images)

Usher and Hugh Jackman (Photo by Getty Images)

Usher (Photo by Getty Images)

Usher, Clive Davis, and Pharrell Williams (Photo by Getty Images)

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