Fergie attends the official after party for the Black Eyed Peas Sin City concert at The Bank nightclub inside the Bellagio Hotel and Casino on October 23, 2009 in Las Vegas, Nevada.
The band's after party came after they opened for U2 during the Irish group's 360 tour stop Friday night at Sam Boyd Stadium.
The Black Eyed Peas will be the sole musical guest at this year's Victoria's Secret Fashion Show, airing Dec. 1 on CBS.
Picture copyright: PRN / PR Photos
