Supporting their successful clothing line, Kourtney and Kim 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.

While over the pond, the eldest Kardashian tweeted, “We love you, London town!”

On her personal blog, Kourt added, “Kim and I are so excited to be in London! We just left our hotel this afternoon and this was what we were greeted with! I want to give a big thanks to all of you who have come out to support us, and everyone on Twitter and Facebook who have been sending such kind messages and showing your support for our Kardashian Kollection for Dorothy Perkins.”

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Public Appearances > 2012 > Kardashian Kollection Launch Party Sightings In London – November 8, 2012