Kiely played Matilda at the
Cambridge Theatre in the
West End debut of
Matilda the Musical. After rehearsing the show since August, she made her debut on 27 October 2011. In April 2012 Sophia won an
Olivier Award for
Best Actress in a Musical along with her co-stars. She made a special appearance as Matilda for West End Live in
Trafalgar Square, performing "Naughty". Kiely graduated with a Master's in Mathematics from the
University of St Andrews in June 2023. She was a member of the University's improvised theatre group and received Piano Scholarships. == Theatre credits ==