Chris Brown celebrated his 24th birthday at 1 OAK Nightclub at the Mirage on Saturday night. Interesting enough, Breezy kicked off his birthday festivities on Friday celebrating with his ex Karrueche Tran.

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Chris Brown 1Oak Nightclub Vegas

Chris Brown celebrated his 24th birthday at 1OAK in The Mirage in Vegas on Saturday night, minus rumored on-again girlfriend singer Rihanna, who was performing in concert in New York City.

On Friday, he kicked off his birthday festivities with a party at Emerson Theatre in Hollywood, attended by his ex-girlfriend Karrueche, Christina Milian and a few of his homeboys.

Ex-girlfriend Karrueche Tran was, making her way into the club with friend Christina Milian to help him ring it in.

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