Princess Kate went under the radar for a recent day she spent at the ballet. On Thursday, the Princess of Wales privately attended a matinee performance of Giselle by the English National Ballet at London’s Sadler’s Wells Theatre,

Kate Middleton is "doing OK," according to her brother. The Princess of Wales recently finished chemotherapy treatment, following a cancer diagnosis earlier this year, and her brother James has given supporters a health update on British Royal Family member.