In 2011, Jones made her theatrical debut after playing the Princess Young Fiona in the original cast of Shrek the Musical at the Theatre Royal, Drury Lane. In 2013, Jones appeared in Rebecca Lenkiewicz's stage adaptation of Henry James's The Turn of the Screw. She held the role of nine-year-old Flora with two other girls, alternating between them each night. After her performance on press night, Jones commented, "I don’t find it scary, I just find it so much fun. I love every bit of it."