In the crowd scene at the end of the new TV advert there is a woman in white behind the original three Sheilas and in front of the car, all the other women are in pink. Is she one of the producers of the show and doing a Hitchcock thing like being in every advert?
I haven't actually seen the advert, but I know they were running a competition for a member of the public to star in a new advert. Maybe thats the winner!