She first started acting in local stage productions while attending Kings High School.
She had her first big screen role in the 2013 film Another Me.
She moved from Northampton to Warwick, England with her family as a child. She has two brothers named James and Will. She married Joe Jonas in 2019 and in July 2020, they welcomed a daughter named Willa. She was previously in a relationship with Vamps guitarist James McVey.
She was cast as Maisie Williams' on-screen sister on Game of Thrones.