Britney Spears wore a little black dress to the KIIS FM Wango Tango 2013 music festival at the Home Depot Centre in Carson, California on May 11, 2013.
Spears, 31, was the co-host for the show, alongside American Idol host Ryan Seacrest.
The singer and X Factor judge wore a black Robert Cavalli dress, Saint Laurent shoes, and David Yurman jewelry.
Check out photos of Britney Spears on the red carpet at the KIIS FM Wango Tango 2013 music festival on Saturday:
Photo Credit: PRPhotos.com
