 Preston started her career on stage at the age of five in her native Northeast of England.Some of her early acting experience was with Stockton Youth Theatre where she performed in acclaimed productions of Hair, Jesus Christ Superstar and Sweet Charity alongside Mark Benton and Marcus Bentley.She continued to be involved in many theatre and independent productions until she left for London where she trained at the Royal Academy of Dramatic Art (RADA) for three years and gained a diploma in acting.