Singer who was discovered on the reality show Popstars: The Rivals, on which she was placed in the group Girls Aloud, the group known for "The Promise."
After touring with Girls Aloud, she played Princess Fiona in the production of Shrek the Musical in London.
She is bandmates with Nicola Roberts in Girls Aloud.
She appeared in a George for ASDA advertisement with her sister Sally. She attended Stage 84 for some time, as well as working as a teacher there.
She is the daughter of Diane and John Walsh and, among her three siblings, her older sister is also involved in the entertainment industry.