She finished off the tour with a one-month residency at The Sporting Club in Monte Carlo where she also understudied Sheila Ferguson in the role of Roxy Rochelle.
[4] From June 2008 until May 2009, Hamilton-Barritt starred in the UK tour of Flashdance the Musical, playing the lead role of Alex Owens.
She provided backing vocals for the well-known artist in venues in the UK and Ireland, with the last stop of the tour at the Royal Albert Hall.
In January 2010, Hamilton-Barritt played Rizzo in Grease at the Piccadilly Theatre, alongside Noel Sullivan and Toby Anstis.
[6] In September 2016 Hamilton-Barritt returned to work in the production of Murder Ballad at the Arts Theatre as the Narrator, alongside Kerry Ellis, Ramin Karimloo and Norman Bowman.
[7] In 2019 Hamilton-Barritt starred in The View UpStairs playing the role of Inez at the Soho Theatre, in London from 18 July to 24 August.
[11] In 2009 Hamilton-Barritt appeared in A Bunch of Amateurs, starring Burt Reynolds and Imelda Staunton in which she played a Hollywood director's assistant.