The singer hosted few of her celebrity friends in Las Vegas, Nevada, on Saturday night, July 23, 2016 to a pre-birthday bash following her headlining residency “ALL I HAVE” show at the Planet Hollywood Resort & Casino.

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J Lo made turned up the heat in a drop-dead gorgeous brown Balmain jumpsuit featuring sheer panels.

She took to Instagram sharing a picture of herself standing in front of the pool at her private party. "About last night... Pre birthday turn up!! @balmain," she wrote.

French Montana also shared a picture of the cake presentation on his Instagram. In the picture, the rapper is with J Lo as well as Kim and Calvin.

He captioned it, "#vegasnights happy bday @jlo #southbronx @kimkardashian #turnuptime."

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Meanwhile, the pop singer who just rounded off her role as judge on reality TV show, American Idol, is set to return to small screen TV with her dance series set to air on NBC