starpulse.com - It was a girls night out as Nicole Richie and Christina Aguilera headed to Voyeur nightclub in West
Nicole is heading back to TV - she's set to rejoin the cast of "Chuck" two years after making a guest appearance on the comedy.
The former reality TV star will reprise her role as Heather Chandler, the high school nemesis of Sarah Walker, in October in a scene involving a prison transfer gone wrong.
Richie originally appeared on the show in 2008.
