You have it the wrong way around.
MAD women who become famous. It takes a bit of lunacy to deal with the ridiculous charade that is "celebrity".
Although, I cant say that applies to the lady that played Ivy Tilsley in Coronation Street.
Liza Minelli - She was never ever going to be sane - lets face it.
SHirley Temple
Marilyn Monroe.
Elvis (he had to be a woman)