Joanna Lumley is one of the most fabulous 70-something year-olds there is. From her role as Patsy in Absolutely Fabulous to uber-glam gran Felicity in BBC's Motherland, she has the sort of skin ...

She has two granddaughters, Alice, 22, and Emily, 21. For some reason, I say, it seems inconceivable that Joanna Lumley should have a 57-year-old son. “It’s only maths, Mick,” she says ...