A showgirl is a female performer in a theatrical revue who wears an exotic and revealing costume and in some shows may appear topless.
[3] The Ziegfeld Follies revue on Broadway introduced showgirls to the United States in 1907, and Busby Berkeley included them in his Hollywood films in the 1930s.
The Bluebell Girls, a dance troupe created by the Irish dancer Margaret Kelly in 1932, performed at the Folies Bergère and Le Lido.
[4] Showgirls with expensive costumes were presented in Las Vegas in 1952 at the Sands Casino for a show with Danny Thomas.
Minsky introduced topless showgirls and these were then incorporated into The Lido de Paris, a show that ran for 31 years.