Since leaving EastEnders in January 2018, Fitzgerald has developed her acting career on the stage and in movies.

[3] Her agent put her forward for a role in BBC One soap opera EastEnders, and after attending three auditions[3] she was cast as Abi Branning.

[12] Fitzgerald made her professional stage debut in February 2018, starring as Jackie Dimmock in the world premiere of Howard Brenton's The Shadow Factory in Nuffield Theatre, Southampton.

[17] In October 2018, Fitzgerald played the role of Eve Douglas in the regional premiere of Her Naked Skin by Rebecca Lenkiewicz at Salisbury Playhouse[18][19] Sustaining an early 20th century theme, in 2019 Fitzgerald starred as Iris Henderson in a stage version of Alfred Hitchcock's The Lady Vanishes.

[20] Later in 2019 Fitzgerald was cast alongside Joan Collins and Luke Goss in the UK Comedy Drama Movie The Loss Adjuster.