PHOENIX, AZ – MARCH 23: Singer Jennifer Lopez attends Muhammad Ali’s Celebrity Fight Night XIX at JW Marriott Desert Ridge Resort & Spa on March 23, 2013 in Phoenix, Arizona. (Photo by Mike Moore/Getty Images for Fight Night)
PHOENIX, AZ – MARCH 23: Singer Jennifer Lopez attends Muhammad Ali’s Celebrity Fight Night XIX at JW Marriott Desert Ridge Resort & Spa on March 23, 2013 in Phoenix, Arizona. (Photo by Mike Moore/Getty Images for Fight Night)