The British-born stunner was born on March 27, 1940 in Essex, England. Initially trained in dance (Sussex School of Dancing) to become a ballerina, she was performing on stage from age 12. The one-time brunette began as a topless dancer at age 15 and joined the legendary Windmill Theatre in London as a fan dancer in 1957. Discovered by Hugh Hefner within a short time, June came to America and first appeared in Playboy magazine in September 1958. Hefner rather unimaginatively but appropriately dubbed her "The Bosom." The tag stuck and enhanced …