The Property Ladder legend, 53, appeared on the show - which aims to raise funds for cancer patients and treatments - alongside Roman Kemp, Maxine Peake and Amelia Dimoldenberg .
Channel 4 confirmed that Caroline Waldegrave OBE would be taking over from Prue temporarily, after the TV star, 84, confirmed last year that she'll be taking a break from the specials.
Great British Bake Off judge Prue Leith said of Meghan Markle that she did not like 'all that sort of touchy-feely, mindfulness, endless worrying about what creams you put on your hands'.
The Bake Off star, 85, appeared on the catwalk at the Vin + Omi show wearing a pink satin coat dress made using black walnut, beetroot madder and oak recycled from the royal Norfolk pile.
The Great British Bake Off star, 51, sparked concerns for his health after he was not on set for filming the second season of The Completely Made-Up Adventures of Dick Turpin.
Joining the Loose Women panel on Wednesday for a special edition of the show named 70 plus, the Great British Bake Off judge, 84, candidly said there were 'all sorts of things wrong' with ageing.