 Barbara Hulanicki, who founded Biba, observed that "the girls aped Cathy's long hair and eye-covering fringe and soon their little faces were growing heavy with stage make-up".Julia Dykins, half-sister of John Lennon of the Beatles, recalled how, despite wearing black eye make-up, black polo necks and dyed black jeans "à la Cathy McGowan", she was unable to convince doormen at the Cavern Club in Liverpool, where the Beatles came to prominence, that she was over 18, the age for admission.It has been claimed that the formation in 1966 of a British Society for the Preservation of the Miniskirt was prompted by McGowan's indicating that she would wear a long skirt on "RSG".