Princess Kate undertook royal duties for the second consecutive day as she joined the nation for Remembrance Sunday at the Cenotaph. The milestone appearance is the first time the Princess of Wales has done back-to-back public appearances across two days since she was diagnosed with cancer. The princess attended the Festival of Remembrance at the Royal Albert Hall on Saturday evening alongside Prince William. In July, the Princess of Wales opted against making back-to-back appearances at the Wimbledon singles finals, instead choosing to attend just the men’s match. Princess Kate appeared visib…