I'm having difficulty in thinking what clue I could give which wouldn't immediately reveal who she is !
This girl didn't become famous because of a showbiz career, though she'd worked as an "exotic dancer"
Just been doing some checking and found that later in her life this girl actually did some singing and acting. Mea culpa.
Marilyn whatsit, who was mates with that Christine thingy who helped bring down the Tories in the profumo scandal in the 60s, who helped bring in the Labour lot with Harold and his pipe. Half a point I think.