Rihanna: Esquire's 'Sexiest Woman Alive'

Rihanna: Esquire's 'Sexiest Woman Alive': Recording artist Rihanna performs at the Mandalay Bay Events Center during her Last Girl On Earth tour in Las Vegas.

(Ethan Miller, Getty Images)

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Last Girl On Earth tour: Las Vegas

Recording artist Rihanna performs at the Mandalay Bay Events Center during her Last Girl On Earth tour in Las Vegas.

Jul. 17, 2010