B Kate Middleton Princess of Wales made an appearance in the men's singles final of the Wimbledon open her second public appearance since announcing she was undergoing cancer treatment in March and actually revealed a shocking secret Kate who is the Royal patron of the all- England lawn tennis and croquet Club presented the trophy in a beautiful purple dress designed by Sophia which Echoes the club's purple and green colors the audience showed their support for Kate by standing up and cheering and clapping almost unanimously during her surprise appearance and Kate looked energized even though she is still undergoing chemotherapy in addition princess Charlotte Kate's only daughter accompanied her mother to the event and cast admiring glances at Kate due to health issues Kate only competed in the men's final and missed the women's championships but she and Charlotte met with the women's finalists and tried to balance her activities as much as her health would allow some believe that Kate's tan skin and fresh