Jennifer Lopez arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Dress detail on Jennifer Lopez as she arrives on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Jennifer Lopez and Casper Smart arrive on the red carpet at the Staples Center for the 55th Grammy Awards in Los Angeles, California, February 10, 2013. AFP PHOTO Frederic J. BROWN

Pictured: Jennifer Lopez Mandatory Credit ?? Paul Marks/Broadimage 55th Annual GRAMMY Awards - Arrivals 2/10/13, Los Angeles, California, United States of America Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com

Pictured: Jennifer Lopez Mandatory Credit ?? Fernando Allende/Broadimage The 55th Annual GRAMMY Awards 2/10/13, Los Angeles, California, United States of America Broadimage Newswire Los Angeles 1+ (310) 301-1027 New York 1+ (646) 827-9134 sales@broadimage.com http://www.broadimage.com