At the age of 11 years Kirsty received a place at the Sylvia Young Theatre School , where she discovered her love for musicals. With 16 she went for 3 years "The Arts Educational London Schools" in Chiswick, which she left with an diploma as musical actress.

  She had theatre engagements in "Robin Hood Prince of Sherwood" at the Piccadilly Theatre, as "Ta Lu Lah" in "Bugsy Malone" for the Children Royal Variety Performance in the London Palladium as well as dancer in "Simply Red" at the "Brit Awards" and as "Rachel" in "The Great Kandinsky" for ITV. She also appeared in "Hale and Pace" and Michael Barrymore for LWT.