The broadcaster, 62, is well-known for putting on a lavish annual bash - famous for welcoming a whole host of celebrities - at his home in Hampstead, London.
A family source told MailOnline: Jess s parents have always supported her and are delighted that she s found love with Alex. They ve met Alex and think she s wonderful
The BFI London Film Festival was disrupted by the writers strike on its opening night on Wednesday at the screening of Emerald Fennell s film Saltburn.