Kate Upton cozies up to Blake Griffin

There seems to be a new man in model Kate Upton's life: basketball stud Blake Griffin.

A source told us the two looked "very cozy" while at hot spot Beauty & Essex on the Lower East Side on Wednesday night.

"They were cuddling and holding hands," the eyewitness said.

The Los Angeles Clipper got to the venue first, meeting a group of friends around 10:30 p.m. The gorgeous Upton joined him around 11:30 p.m., rocking skinny jeans, a dressy top and heels.

The group noshed on lobster tacos and empanadas, and indulged in some shots of Don Julio.

"The group was definitely there to party," the spy said. "The entire party looked like they were having a great time."

Upton, 21, and Griffin, 24, then headed to the nightclub Avenue, where they "danced all night long with each other and friends," the source dished.