Charlotte Kirk was born in Sidcup, South East London in 1992. As a young girl, she was diagnosed with Dyslexia and Asperger syndrome. She first began theatre acting at the age of 9, performing in plays such as Agamemnon and Arturo Ui, followed by West End musical theatre productions of A Christmas Carol, Oliver Twist, and Hairspray. Having attended the Italia Conti Academy of Theatre Arts in London, she trained with Jigsaw Performing Arts in the UK.