Health

Jen Selter’s butt is huge right now

Jen Selter’s money-maker is poised to earn the social media star serious bank.

Ever since the 20-year-old Roslyn, LI, native was profiled in The Post earlier this month for her booty-ful figure and Instagram fame, she’s been picking up deals — and fans — left and right.

“Since the piece, so many things have happened,” says Selter, whose Instagram followers have nearly doubled to 2.2 million. “I get noticed by everyone; they shout, ‘New York Post girl!’ ”

The Legacy Agency signed the curvy New Yorker last week, and on Wednesday, TLA announced Selter’s first deal — a partnership with Cirrus Fitness, which manufactures custom and collegiate fitness equipment.

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She’s also set to walk in a Shape magazine fashion show and participate in the NFL Flywheel Celebrity Ride, both on Friday.

Additional endorsement partnerships will be announced later this week.

But just because her star has ballooned as much as her rear, doesn’t mean Selter’s getting a big head.

“It pushes me to not stop what I’ve been doing and hopefully now really make a difference with people in the world by coming out with different workout DVDs, a YouTube channel . . . things like that.”