Black Eyed Peas front woman Fergie, born Stacy Ann Ferguson, celebrated her 37th birthday at the 1OAK Nightclub in Las Vegas on Friday night.

OK! NEWS: WHO WORE IT BETTER - FERGIE VS. KHLOE KARDASHIAN

The “Boom Boom Pow” singer, married to actor Josh Duhamel, partied the night away at the Mirage Resort Hotel & Casino after her actual birthday on Mar. 27.

OK! NEWS: FERGIE CROSSES THE POND

After releasing the Beginning in 2010, the Black Eyed Peas, which also includes Will.i.am, Taboo and Apl.de.ap, announced that they’d be going on hiatus.