She has appeared in an array of television shows including The Mysti Show (2004–2005), Casualty (2009–2010), Lemon La Vida Loca (2012–2013), 4 O'Clock Club (2012–2014), The Job Lot (2014–2015), Waterloo Road (2015) and Gavin & Stacey (2019 & 2024) Aikman was born in the London Borough of Brent in 1985, the daughter of actor and writer Stuart Aikman (known as Stuart St. Paul) and actress Jean Heard.

On 8 August 2009, it was announced that Aikman would be joining the cast of Casualty, and her role as May Phelps[4] started on 12 September 2009.

In July 2014, it was announced that Aikman would be joining the cast of Waterloo Road for the tenth and final series as deputy headteacher Lorna Hutchinson.

In 2018, Aikman joined 26 other celebrities at Metropolis Studios, to perform an original Christmas song called "Rock With Rudolph", which was written and produced by Grahame and Jack Corbyn.

[5] Aikman has been married to actor Matt Kennard since 2019; they met when she joined the cast for the final season (2015) of Bluestone 42.