Buzz·Posted on May 2, 2012Meet Tulisa, The "Sexiest Woman In The World"The British "X-Factor" judge made a sex tape, was in a band called N-Dubz, and has just been named FHM's "Sexiest Woman In The World." So... who the hell is she? Allow me to explain.by Hillary ReinsbergBuzzFeed StaffLinkFacebookPinterestTwitterMail This is Tulisa last night at FHM's 100 Sexiest Women party. She was crowned The Sexiest. Her last name is Constalvos, but she usually just goes by Tulisa. She was the one female singer in the London group called N-Dubz. Here's their most famous song, "I Need You." View this video on YouTube This is my new favorite lyric ever: "I've been searching all over Facebook, and I can't seem to find you. I need you." The other dudes who were in the group are known as Dappy and Fazer. For a while, Tulisa and Fazer dated! Also, N-Dubz broke up. Now she's an X-Factor judge. View this video on YouTube She made a sex tape. She said being named FHM's Sexiest Woman felt "quite strange." View this video on YouTube Okay, another N-Dubz classic: View this video on YouTube youtube.com