Princess Kate is expected to join other senior royals at this weekend’s Remembrance Sunday service at the Cenotaph, marking a significant step in her gradual return to public duties following cancer treatment. Prince William has provided an encouraging update on his wife’s health, saying: “She’s doing really well thanks.” The prince shared the update during an interview ahead of his Earthshot Prize awards in Cape Town, where he added: “She’s been amazing this whole year.” Kate’s last high-profile appearance was at Wimbledon in July, though she was seen in Merseyside last month meeting bereaved…