The daughter of a surveyor father (who also served as a magistrate) and a mother who worked as a nurse, she and her brother were born in South Shields.
She then joined BBC Radio Cleveland as a reporter for three years, before becoming a news presenter, and then co-presenting the drive-time show.
[2] On 14 November 2012, Foster became the Wednesday-to-Friday co-presenter of 5 Live Drive (4–7 pm) alongside Peter Allen; Louise Minchin was the Monday and Tuesday co-host.
Foster left Drive on 12 August 2021 to take up a new role as BBC Middle East correspondent in Beirut.
[5] She married fellow radio presenter John Foster in October 2009 at Crathorne Hall near Yarm, North Yorkshire;[1] they have a son and a daughter.