No Underwear? No Problem! Jennifer Lopez Wows In Revealing Dress

Make no mistake this was NO wardrobe malfunction of another star forgetting to wear underwear.

Jennifer Lopez wowed on the red carpet Thursday night in Las Vegas at the premiere of her new thriller Parker, and RadarOnline.com has the sexy shots.

PHOTOS: Jennifer Lopez Wears Revealing Dress At The Parkers Premiere

The singer/actress, 43, showed off her famous behind in an eye popping Kaufman Franco white gown, which featured a number of strategically placed slits, which showed J-Lo was clearly not wearing any underwear.

Lopez was joined at the premiere by her toy boy beau Casper Smart, despite rumors she paid a visit to ex-husband Marc Anthony in New York earlier this week.

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As RadarOnline.com previously reported, a source told the New York Posts Page Six that Lopez was staying at the London Hotel and headed over to The Mark, where Anthony was staying, dressed to the nines in a leopard print mini and thigh-high stilettos. More than two-and-a-half hours later, Anthony snuck out and jumped into his tour bus.

He came out really quickly, with his head down, like he didnt want to be seen, an eyewitness dished to Page Six.

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Shortly after, Lopez reportedly made her own exit, with a smug grin on her face.

Parker, co-starring Jason Statham and the legendary Patti LuPone, opens nationwide on Friday.

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