The 21-year-old beauty queen is said to have told her agency that she wants to switch to acting and make it big in Hollywood, reported Contactmusic.
"Cara doesn't want to model any more. She finds it boring, too gossipy and exhausting.
"She's made a stand with her agency and, aside from big campaigns and shows, she will be slowing down her fashion word involvement. She just isn't interested in modelling being her main job," a source said.
Delevingne is allegedly taking help from close friend Michelle Rodriguez to help her break into acting.
"She's potentially going to be the first young actress since Keira Knightly to make a real mark in Hollywood.