Coleman's career as a Broadway composer began when he and Leigh collaborated on "Wildcat" (1960), which marked the Broadway debut of movie/television comedienne Lucille Ball. The score included the hit tune "Hey, Look Me Over". When Ball became ill, she left the show, and it closed. Next for the two was "Little Me", with a book by Neil Simon based on the novel of the same name by Patrick Dennis. The show introduced "Real Live Girl" and "I've Got Your Number," which became popular standards.