The Traitors season 3 winner Ivar Mountbatten is gearing up to walk his eldest daughter down the aisle! "I couldn't be happier to announce the engagement of my eldest and most precious daughter Ella @ellamountbatten to her fabulous boyfriend Fergus @wright.fergus," Mountbatten, 62, wrote via Instagram on Saturday, July 26, sharing a photo of the happy couple. "Ferg is not one to be rushed, so I am incredibly pleased that he has finally put us all out of our misery!" He added, "I know he will look after my daughter to his dying day - they couldn't be better suited.