Pejić was assigned male at birth. She models both male and female clothing. Her website describes her as transgender. She was signed to Storm Models in February 2012. She has appeared on the cover of Russian Vogue and Elle Serbia. In February 2013 she appeared in the video for David Bowie's single "The Stars (Are Out Tonight)". In October 2013 an interview with her was published by "La Monda" magazine. In it she said publicly for the first time that she likes people calling her 'she' more than 'he' or other gender pronouns. In early 2014 she had sex reassignment surgery.