This Tattooed Model Dated This Year's Most Hated R&B Star, But Who Is She? (PHOTOS) 2 of 2 Previous Autoplay Next Share Tweet November 13, 2012 at 08:00AM EST by Chako Suzuki Related: News, Celebrity Beauty, Celebrity Relationships, Guess Who?, Music full size Credit: Instagram It's Chris Brown's Ex-Girlfriend, Karrueche Tran It's Karrueche Tran, who used to date R&B singer Chris Brown. Did you guess correctly? To play more "Guess Who?", click here! Fall in “Like” with us! For the latest from Wetpaint Entertainment, Like us on Facebook or Follow us on Twitter.