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Who: Reality stars extraordinaire, Kourtney and Kim Kardashian.

What: Both causing a flashbulb frenzy in very different LBDs. While Kourtney opted for buttoned-up high-neck, spotty tights and a severe chic bun, Kim flashed the flesh in a low-backed wet-look mini teamed with loose locks and strappy gold heels.

Where: Arriving at a party to celebrate the UK launch of the Kardashian Kollection, Aqua Club, London.
Verdict? We feel like we've seen this kind of look on Kim a hundred times before so, while she still looks good in it, we're crowning Kourtney style queen for adding a pop of personality to her look.
Do you agree? Let us know below, and see more from last night's launch party here:
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Kim Kardashian
Kim Kardashian arrives for their Kardashian Kollection UK Launch at Acqua Club in central London, Thursday, Nov. 8, 2012. (Photo by Joel Ryan/Invision/AP)
Kardashian Kollection launch - London
Kim Kardashian arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kim Kardashian, Kourtney Kardashian
Kim, right, and Kourtney Kardashian arrive for their Kardashian Kollection UK Launch at Acqua Club in central London, Thursday, Nov. 8, 2012. (Photo by Joel Ryan/Invision/AP)
Kim Kardashian
Kim Kardashian arrives for their Kardashian Kollection UK Launch at Acqua Club in central London, Thursday, Nov. 8, 2012. (Photo by Joel Ryan/Invision/AP)
Kim Kardashian, Kourtney Kardashian
Kim, right, and Kourtney Kardashian arrive for their Kardashian Kollection UK Launch at Acqua Club in central London, Thursday, Nov. 8, 2012. (Photo by Joel Ryan/Invision/AP)
Kim Kardashian
Kim Kardashian arrives for their Kardashian Kollection UK Launch at Acqua Club in central London, Thursday, Nov. 8, 2012. (Photo by Joel Ryan/Invision/AP)
Kardashian Kollection launch - London
Kourtney Kardashian and Kim Kardashian (right) arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Kim Kardashian arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Kim Kardashian arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Kourtney Kardashian and Kim Kardashian (right) arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Kourtney Kardashian and Kim Kardashian (right) arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Models wearing the collection at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Rylan Clark (left) and James Arthur arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.
Kardashian Kollection launch - London
Two members of District 3 and Jahmene Douglas (right) arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London. PRESS ASSOCIATION Photo. Picture date: Thursday November 8, 2012. Photo credit should read: Ian West/PA Wire
Kardashian Kollection launch - London
Ella Henderson arriving at a party to celebrate the UK launch of the Kardashian Kollection at Aqua, London.