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LAS VEGAS, NV - MAY 02: Model Charlotte Mckinney poses ringside at 'Mayweather VS Pacquiao' presented by SHOWTIME PPV And HBO PPV at MGM Grand Garden Arena on May 2, 2015 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for SHOWTIME)

LAS VEGAS, NV - MAY 02:  Model Charlotte Mckinney poses ringside at 'Mayweather VS Pacquiao' presented by SHOWTIME PPV And HBO PPV at MGM Grand Garden Arena on May 2, 2015 in Las Vegas, Nevada.  (Photo by Ethan Miller/Getty Images for SHOWTIME)