American pantomime incorporates audience participation. In 1993 there was a production of "Cinderella" at the UCLA Freud Theatre, starring Zsa Zsa Gabor. Pantomonium Productions has produced pantomimes annually in New York City since 2004. Stages Repertory Theatre in Houston, Texas, has been performing original pantomime-style musicals during the Christmas holidays since 2008: "Panto Sleeping Beauty", "Panto Pinocchio", "Panto Red Riding Hood", "Panto Mother Goose" and "Panto Goldilocks". Since 2004, People's Light and Theatre Company, in Malvern, Pennsylvania, has been presenting an annual Christmas pantomime season. Lythgoe Family Productions has produced pantomimes each winter since 2010 in California. Their first production was "Cinderella"
Pantomime and by no means all of which are obligatory. Some of these conventions were once common to other genres of popular theatre such as melodrama. Another contemporary pantomime tradition is the celebrity guest star, a practice that dates back to the late 19th century, when Augustus Harris, proprietor of the Theatre Royal, Drury Lane, hired well-known variety artists for his pantomimes. Many modern pantomimes use popular artists to promote the pantomime, and the play is often adapted to allow the star to showcase their well-known act, even when such a spot has little relation to the plot. As critic Michael