[1] She got her first broadcast experience on the university's student radio station which led to her first job in 1995 at Tyne Tees Television where she made her presenting debut on a children's science programme.

O'Brien left the CBBC on-air presentation team in 1999 but remained a regular on children's TV and radio.

Transmitted live on BBC Two from a farm in Devon and repeated later in the day on the CBBC Channel the show featured teams of boys and girls who were set a series of Tracker challenges.

She has been a guest on Stephen Merchant's on BBC Radio 6 Music, Through the Keyhole and several times on Rob Brydon's Annually Retentive.

On 19 February 2010 she and George Lamb presented EastEnders: The Aftermath where they interviewed members of the cast about the live 25th anniversary episode.

In the first episode, which aired in February 2010, O'Brien won when she beat Mellor driving a Romanian TR-85 combat tank.

On 26 March 2011, she was a compere for one of the Teenage Cancer Trust shows at the Royal Albert Hall at which Editors headlined.

O'Brien was announced on 12 June 2013 as the co-presenter of Heart Wiltshire's Breakfast programme alongside Ben Atkinson.

fan; she has been involved in charity work with the club, including the Premier League's Creating Chances programme.

They became parents on 15 December 2011 when O'Brien gave birth to a baby boy whom they named Fox Michael Drake.