 She later performed at another intimate gig with Johansson at Bunker Bar on 2 April 2006.Ellis continued her theatrical endeavours, playing Eva Cassidy in a 2004 workshop production of "Way Beyond Blue", a Trevor Nunn-directed and Imogen Stubbs-written piece, in addition to being cast as Ellen in a UK tour of "Miss Saigon", again pairing with producer Cameron Mackintosh.She went into rehearsals for "Miss Saigon" at Sadler's Wells Theatre in Islington before performances commenced on 14 June 2004 at the Theatre Royal in Plymouth.