Jennifer Lopez and Casper Smart at Nightclub Opening J Lo and Casper Sizzle in Sin City at a Nightclub Opening April 29, 2013 Share This link Jennifer Lopez and Casper Smart at Nightclub Opening Source: Getty / Steven Lawton 3 / 35 by Ivana Dukanovic 0 Save 0 Favorite 0 Jennifer Lopez rocked a little black dress to Hakkasan's nightclub opening at the MGM Grand. More Photos Previous 3 / 35 Next by Ivana Dukanovic 0 What’s Your Reaction? 0 0 0 0 0 0 Jennifer Lopez rocked a little black dress to Hakkasan's nightclub opening at the MGM Grand. More Photos ‹ Back to Homepage Save 0 Favorite 0 Follow POPSUGAR Celebrity Pinterest Twitter Google + Instagram Featured Partners Orlando Bloom Enjoys a Guys Night Out in N.Y.C. What We're Reading This Weekend: Personal Holiday Favorites Kate's Fashion Motto: Third Time's the Charm! 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