PHOENIX, AZ - MARCH 23: Singer Jennifer Lopez (R) and boyfriend Casper Smart attend Muhammad Ali's Celebrity Fight Night XIX at JW Marriott Desert Ridge Resort & Spa on March 23, 2013 in Phoenix, ... more 
PHOENIX, AZ - MARCH 23: Singer Jennifer Lopez (R) and boyfriend Casper Smart attend Muhammad Ali's Celebrity Fight Night XIX at JW Marriott Desert Ridge Resort & Spa on March 23, 2013 in Phoenix, Arizona. (Photo by Michael Buckner/Getty Images for Fight Night) less 
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Getty Images | Photo By Michael Buckner / Getty Images for Fight Night
Sun, Mar 24, 2013 1:17 AM EDT