This Bikini Babe Used to Date Rob Kardashian, But Who Is She? (PHOTOS) 1 of 2 Previous Autoplay Next Share Tweet January 1, 2013 at 08:00AM EST by Chako Suzuki Related: The Kardashians, Celebrity Beauty, Character Relationships, Guess Who?, Rob Kardashian Jr. full size Credit: Instagram This Sexy Lady Used to Date Rob Kardashian! Rob Kardashian has dated many ladies, but can you identify this sexy, bikini-clad babe? Here's a hint: The pair's breakup was pretty public and very dramatic. Think you know who she is? Give up already? Click here for the answer!