There were allegations that Lady Muck-Cartney was a "high-class hooker"
http://www.dailymail.co.uk/pages/liv...n_page_id=1773
Stella was telling her farther not to marry Heather as she was a porn star but she could never prove it. One or twenty years does not make any difference.
On thing though, wasn't she heroic to insert metal plates in order to have Paul's baby?