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Jennifer Lopez Wore a Nearly Naked Birthday (Jump)suit to Celebrate Her 47th

A birthday suit to die for! Jennifer Lopez celebrated her 47th birthday on Friday, July 22, in Las Vegas, wearing a sheer-paneled jumpsuit that flaunted her incredible physique.

The "Love Make the World Go Round" singer enjoyed a "pre-birthday turn up" in a nearly naked, chocolate-hued Balmain one-piece, complete with see-through paneling down the arms and legs and across her toned torso. She accessorized the ensemble with huge stud earrings and nude suede pumps. She also rocked a high, tousled ponytail.

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As documented on Kim Kardashian's Snapchat, Lopez, who shares 8-year-old twins Max and Emme with ex-husband Marc Anthony, rang in her latest birthday alongside the reality star and Kim's husband Kanye West and Calvin Harris. The Scottish DJ, 32, shared a video of Lopez dancing in her revealing getup, working the style from every angle.

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Of course, that wasn't the only thing that made Harris' attendance noteworthy. According to a source, Taylor Swift's ex-boyfriend was seen "smiling and chatting" with Kardashian, who is also at odds with the "Blank Space" singer. Harris publicly denounced his ex-girlfriend for coming forward about her secret involvement with his hit song "This Is What You Came For." Not long after, the Keeping Up With the Kardashians star released recorded clips from a surprisingly positive conversation West and Swift had about the rapper's controversial hit "Famous." (In it, West raps, "I feel like me and Taylor might still have sex / Why? I made that bitch famous.")

"Kim and Calvin did talk and interact, smiling and chatting for a while," the source tells Us, though it's unclear just what the pair discussed.

Other guests at the bash included soccer star Cristiano Ronaldo, Iggy Azalea, Maria Menounos, L.A. Reid and John Stamos. The crowd sang "Happy Birthday" to Lopez as she entered the room, and Kardashian presented her with a large cake.

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According to the insider, Lopez ended the night by jumping on the piano to sing "End of the Road" and "My Girl" with the singer Tank.

The birthday girl celebrated again on her proper birthday, Sunday, July 24. She rocked a plunging, sequin, teal gown while partying with her friends and fellow performers Fat Joe, French Montana and Fabolous. She captioned a snap of the four of them together via Instagram with, "Bronx is in here! Brooklyn too baby!"

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