Who was a American actress, dancer, and singer, which introduced the song "They all Laughed"?
Ginger Rogers Ginger Rogers (born Virginia Katherine McMath; July 16, 1911 – April 25, 1995) was an American actress, dancer, and singer, widely known for performing in films and RKO's musical films, partnered with Fred Astaire. She appeared on stage, as well as on radio and television, throughout much of the 20th century.
Betty Luster Betty Luster (27 April 1922 – 25 May 2011) was an American television actress, singer and dancer, whose career was active in the 1940s and 1950s. The role for which she is best remembered today was at one time her most obscure: her portrayal of Mr. B Natural in the short film of the same name, made famous after its inclusion in a 1991 episode of "Mystery Science Theater 3000".