Jelena Noura Hadid: The model is quickly becoming a household name, but the name on everyone's lips isn't the one she was born with. Gigi goes by a nickname her Beverly Hills Housewife mom gave her. "In first or second grade, there was a girl named Helena and it got confusing with the teacher who had to call out our names, and so the teacher asked my mom, 'If I needed to call Jelena a nickname, what would it be?' she explained. "And my mom was like, 'I call her Gigi sometimes,' and the name stuck." Good thing, too, because these days, a headline referring to "Jelena" would most likely be associated with Justin Bieber and Selena Gomez's couple name instead of the rising star.