She was also a regular team captain on the panel show The Imitation Game for ITV (2018) and She also appeared in the BBC medical soap opera, Doctors (2019).

[2] Stephenson attended South Hunsley School in Melton, East Riding of Yorkshire,[4] from the age of 11, and during these years she appeared in a number of national television talent shows doing impressions.

[5] At the age of 14, Stephenson appeared on BBC TV's Opportunity Knocks, winning her way through to the All-Winners' Final, broadcast live from the London Palladium.

[7] She would later appear in other CBBC programmes such as The Friday Zone (in which she was a regular presenter) and was a backing singer on Chris Jarvis's 1997 charity single "Glasses".

[10] After graduating as an actor from The Manchester Metropolitan University, Stephenson was cast in various television roles, first appearing in ITV drama Reckless, starring Francesca Annis and Robson Green.

Stephenson also appeared in the last two episodes of ITV's adaptation of Catherine Cookson's A Dinner of Herbs, in which she played the adult Kate Roystan, who fell in love with the son of the woman who murdered her grandfather.

These include Hosanna in the BBC Radio 4 comedy At Home with the Snails (2002), and BBC1 sketch show TV to Go in 2000 with Hugh Dennis, Martin Freeman, Mckenzie Crook and Pauline McLynn.

In 2005, Stephenson took part in Comic Relief Does Fame Academy, a singing competition involving celebrities, to raise money for charity, and finished fifth.

[29][30] Stephenson has appeared in guest roles on series including Midsomer Murders, Spooks and Where the Heart Is, as well as Doctors and Holby City.

[31] Between 2017 and 2018, Stephenson appeared alongside Diana Vickers in the stage musical Son of a Preacher Man, in a tour of UK number one theatres.

[33] She has also performed on board cruise ships such as P&O Aurora and Ventura and also took part in the TV cook show Battlechefs, hosted by Marco Pierre White.

[34] In 2018, Stephenson was a regular team captain opposite Rory Bremner on ITV1 panel show The Imitation Game, hosted by Alexander Armstrong.