Jennifer Lopez, Casper Smart Hit The Vanity Fair Oscar Party (PHOTO)

Though they've been together for months, Jennifer Lopez and Casper Smart made a rare public appearance together at Sunday night's Vanity Fair Oscar party.

Lopez, who ignited a Twitter frenzy over "a nip slip that wasn't" while presenting at the 84th annual Academy Awards, traded in her stunning Oscars gown for another daring dress for Vanity Fair's star-studded post-Oscars bash -- but she didn't show up alone.

Her backup-dancing beau, Smart, joined Lopez after the big show and the pair even posed for some photos together during Hollywood's biggest night.

But those hoping for another wardrobe malfunction will be disappointed. In fact, according to Lopez's stylist, there wasn't even a malfunction to begin with at the Oscars, for Lopez at least.

"The Oscar dress was custom made for Jennifer by designer Zuhair Murad," stylist Mariel Haenn told Entertainment Weekly. "The dress fit perfectly to her every inch. There were cups built in and there’s no chance that there were any how do you say? 'Slips.'"

Well, there you have it: no nip slip, no problem.

Check out a photo of Lopez and Casper below, as well as all the other celebrities at Vanity Fair's post-Oscars bash below:

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