The star posed for a series of arty black and white shots as she prepared to open in the sell-out run of the play, Up For Grabs.
She appeared to be enjoying herself as she ran through the biting satire on the art world which first opened in Sydney, Australia, last year breaking box office records.
Director Laurence Boswell said rehearsals were going well: "Everyone is extremely relaxed. It's a wonderful company."
Previews of the show, which also stars Tom Irwin, begin on May 13 at Wyndham's Theatre and the production has its official opening 10 days later.
Technical difficulties have meant the show opens three days later than originally planned.
