July 27, 2015 03:58 PM

If there was any doubt that Jennifer Lopez was Jane Fonda–ing her way through life (translation: looking ridiculously hot regardless of her age), the singer/actress/dancer/diva’s 46th birthday celebration eliminated it. Lopez celebrated on Saturday wearing an unbelievably sheer, skintight dress that shows off her better-than-ever bod, and because we know she wants you to look at it from all angles, we’ll oblige:

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For her Saturday night birthday bash at 1OAK in Southampton, New York, Lopez wore one of the “J.Lo-iest” dresses of all time. (Really, it’s right up there with these.) Her black Bao Tranchi number features strategically placed sheer panels and cutouts along the neckline, hips and back, which showed off every inch of her hard-won curves to full effect. (Her accessories? Cuffs by Vita Fede and Melinda Maria, a clutch by Jimmy Choo and those ubiquitous Casadei heels.)

It even made the reigning queen of sheer, tight and low-cut (that would be Kim Kardashian) bow down in admiration:

Her makeup was equally sexy and bronzed, featuring a major contour, shimmering rose eye shadow and a lip so heavily lined it looked almost ombré.

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Her daytime birthday celebrations continued the “hi, check out my obliques” theme, as she selected a Milly outfit that had a crop top, matching skirt and shorts to swap in. She hung out with beau Casper Smart in the skirt look, worn with purple strappy heels and a leather handbag, then switched into a pair of shorts for a day spent boating in East Hampton, New York. She hung out with buddies Fat Joe and Natasha Bedingfield among others and shared Instagram snaps of her “familia” and “squad” to recap her weekend festivities.

What do you think of J.Lo’s ageless looks? Do you like her birthday outfits? Sound off in the comments below.

RELATED VIDEO: J.Lo’s Changing Looks!

–Colleen Kratofil

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