Stars of The Hills and Keeping up with the Kardashians were amongst the guests at the Pur Jeans Halloween Bash at STK/Coco De Ville in Los Angeles on Friday night.

Kim Kardashian (and sister Khloe Kardashian), Lauren Conrad and Lauren Bosworth were joined by members of the Pussycat Dolls, Christina Milian, John Legend and former NSYNCer JC Chasez.

(Photos by ARH / Splash News and Octavio R Vera Jr / Splash News)