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Photo courtesy of Harrah’s Resort Atlantic City

Britney Spear‘s ex-husband Kevin Federline with whom she shares two kids, celebrated his 40th birthday in AC.

The once-in-a-while DJ, dancer and whatever, started the weekend at Atlantic City’s top celebrity hotspot, The Pool After Dark, last Friday.

After dining at the Mexican-street food inspired restaurant, Veracruz, Federline who has four other kids with two other women, entered the club at 12:15am with his small entourage of friends and his wife. The group was escorted to a VIP table and served bottles of Grey Goose and Hennessy.

Kevin was presented with a birthday cake where he blew out the candles as black confetti rained down around him, and took photos with his fans before beginning a DJ set at 12:30am.

After his set, Kevin returned to his table and partied with his entourage until about 3:30am.