Black Eyed Peas singer Fergie celebrated her 37th birthday at 1 Oak Nightclub at the Mirage on March 30, 2012 in Las Vegas (Pictured above: Fergie and Ne-Yo with her birthday cake – Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net).
Also on hand to help her celebrate was pop and R&B singer Ne-Yo.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie celebrates her birthday at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie on the red carpet at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.

Fergie on the red carpet at 1 OAK Nightclub
Photo credit: Denise Truscello / WireImage.com www.DeniseTruscello.net.