She has modeled for magazines such as Vogue, Teen Vogue and Pop Magazine. Kaia is the daughter of model-turned-businessman Rande Gerber and the supermodel Cindy Crawford. When she was 10 years old, Gerber landed her first modeling gig with Versace's junior line, Young Versace. She made her acting debut at age fifteen in Sister Cities (2016). In 2017, she made her runway debut for Raf Simons' Calvin Klein Collection, then walked for fashion houses such as Marc Jacobs, Burberry, Alexander Wang, Coach, Prada, Fendi, Moschino, and Versace, alongside her mother, during 2018 Spring Fashion Week.