that the brexit secretary, david davis, is the preferred choice among tory members to replace prime minister theresa may. the sunday express features a family photograph of prince harry and his mother, diana the princess of wales, with the headline our last words with mummy. the telegraph has the same story, along with reports that more than forty female bbc presenters have signed an open letter to the director—general demanding equal pay. the sunday times says men and women will be able to change their gender legally without a doctor's diagnosis under government plans. while the star leads with princes harry and william's last conversation with their mum before she died. the royal story also dominates the front of the mail on sunday. ahead of the 20th anniversary of her death, princes harry and william pay tribute to their mum, in tomorrow's mirror. so let's begin. the front of the sunday telegraph.