She started her at the age of 17 when she was signed with Storm Model Management. She was so passionate about modeling that she even left the school to focus on her career. Her first major breakthrough came in 2011 when she did cat walk at London Fashion Week to promote Burberry’s Autumn Collection. Following Year she walked at The New York Fashion Week and everything started falling in place for Delevingne from there on.
She made her Hollywood debut starring alongside Kiera Knightely in movie titled ‘Anna Karenina’. She has been an eminent part of many advertising campaigns of major fashion brands including H&M, Zara and Chanel. She also walked the ramp for international brands such as Moschino, Jason Wu, Oscar de la Renta, Dolce & Gabbana, Fendi and Stella McCartney. Delevigne was on the covers of Vogue UK, Vogue Korea, i-D, Love, Russh, Jalouse and Style.com's spring 2013 issue.
In 2015 she decided to quit modeling in order to focus on her acting career. Along with acting she also plays Drums and Guitar.