[4] Stone was born in Preston, Lancashire and attended Broughton High School and Preston College before studying history at Cambridge University where she was a member of Footlights.
[5] Stone created, wrote and starred in Bucket[6] opposite Miriam Margolyes in 2017 and wrote the episode "Flashmob"[7] for the CBBC show 4 O'Clock Club.
Stone received praise for both her writing and acting in Bucket both in the UK and Australia.
[8][9] She received a Critics' Choice award for Best Actress in a Comedy (Television) in 2017.
[10] Past credits include the Paul Abbott shows No Offence, Shameless, Best of Both Worlds, Ricky Gervais's Extras and Derek, as well as playing Aunt Nino in the Wachowski movie Jupiter Ascending, and Hadassah Bimko in the C4 drama The Relief of Belsen.