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Rob Kardashian, Rita Ora

Rob Kardashian is seen here leaving Whisky Mist nightclub in Mayfair, London, via the back door after spending the night partying with his rumoured girlfriend Rita Ora. Rita was at the club celebrating getting to the No.1 spot in the UK Singles music charts. Pictured: Rob Kardashian Ref: SPL393126 140512 Picture by: WeirPhotos / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com

Celebrity Breakups of 2012

Heidi Klum and Seal, Tom Cruise and Katie Holmes, and many more called it quits this year.