Fiona played Lucienne Homenides De Histangua in A Flea in Her Ear at The Old Vic directed by Richard Eyre. Fiona played Myrtle in Kingdom Of Earh at the Print Room directed by Lucy Bailey. Other theatre includes Whipping it up at the Bush directed by Terry Johnson. Hitchcock Blonde at The Royal Court and West End directed by Terry Johnson. William Wycherley's play, "The Country Wife," at the Theatre Royal Haymarket in London directed by Jonathan Kent.