Arnaz made her Broadway debut in 1979 in They're Playing Our Song and her performance in the musical earned her a Theatre World Award. She also appeared on the Great White Way in Lost in Yonkers. Her other theatrical credits include Once Upon A Mattress, Cabaret, Lil' Abner, Bye, Bye Birdie, Vanities, Seesaw, Annie Get Your Gun, Educating Rita, Who's Life is it Anyway?, The Guardsman, My One and Only, Social Security, The Woman Who Laughed, Grace and Glorie, Master Class and the West End premiere of the musical The Witches of Eastwick. Well known as the daughter of Lucille Ball and Desi Arnaz, she appeared in the television series Here's Lucy with her mother and headlined her own The Lucie Arnaz Show. Arnaz was also nominated for a Golden Globe Award for her performance in the film The Jazz Singer.
Based upon the play My Sister Eileen by Joseph Fields and Jerome Chodorov and the stories by Ruth McKenney, Wonderful Town centers on two sisters from Ohio, Ruth and Eileen Sherwood, as they arrive in Gotham and find life in the big city a lot more complicated than they ever imagined. The Leonard Bernstein/Betty Comden/Adolph Green score includes "It's Love," "Christopher Street" "A Little Bit In Love," "One Hundred East Ways" and "Ohio."
Wonderful Town is currently running at Broadway's Al Hirschfeld Theater with Donna Murphy as Ruth Sherwood.