Lizzie volgde een opleiding aan Guildford School of Acting.
Theater: Belle in Beauty and the Beast (Capitol Theatre, Horsham); Midwesten Surfer Punk/Swing in Heathers The Musical (UK tour ); Ivy in Bare: A Pop Opera (The Vaults); Snow White in Snow White and the Seven Dwarves (Towngate Theatre, Basildon); Mimi in RENT (Frogmore Papermill); Vocalist in The Oliviers in Concert.