Alexia was born in North West London, England on the 9th June 1983. She began her theatre career in 1999, staring in Cinderella, but made her main break-through in 2004, where she played the role of Nala until 2008. Since Wicked, Alexia has performed in several other roles such as Harmonia in Welcome to Thebes and Deb in Ordinary Days. Her next major role was when she replaced Samantha Barks as Eponine in the London production of Les Misérables in June 2011 - June 2012. In 2012, she appeared as Wench in film production of Les Misérables.