Jennifer Lopez Sexy at 46! Singer Wears Revealing Outfit to Birthday Bash With Casper Smart

Casper Smart is one lucky man to be dating a woman so sexy at the age of 46! MStars News has learned that Jennifer Lopez revealed it all as she celebrated her birthday over the weekend.

According to PEOPLE, J-Lo partied the night away at 1 OAK in Southampton, New York. In the snapshots below Ms. "Booty" let everyone know that 46 looks real good!

While dancing the night away and taking a spin at the DJ booth, Lopez sported an all black sheer dress with black open toed shoes, and white nails.

Besides living it up over the weekend, Jennifer also created a lot of buzz when she was spotted spending a lot of time with Casper.

PEOPLE revealed that the former couple remained friends after their breakup, and it appears that they will probably [if they haven't already] rekindle their relationship.

Casper, 28, claims that he and Jennifer are "just having a good time, just being ourselves, that's all." Yeah, sure.

Back in March the two were reportedly spotted kissing; but if you asked Jennifer about her relationship, she claimed that she was single in January.

"I think being on my own has been really great for me," Lopez previously stated earlier this year. "There was a time where I was just like 'Ehhh, I'm just not going to deal with anybody, I just want to be on my own.' Now I'm getting back into the mix. For right now, I just have no announcements to make."

J-Lo may be singing a different tune soon. Happy Birthday!