Kim and Kourtney Promote Kardashian Kollection In London

"Supporting their successful clothing line, Kim and Kourtney were on hand at the Kardashian Kollection for Dorothy Perkins launch party in London this evening (November 8).

The gorgeous reality star sisters rocked all-black ensembles as they posed together at the ritzy Aqua club."

(SOURCE: http://celebrity-gossip.net/keeping-kardashians/kim-kourtney-promote-kardashian-kollection-dorothy-perkins-london-757215)