After months of speculation, Catherine, Princess of Wales, better known as Kate Middleton, has come forward to explain her absence: she has cancer, and is about to go into chemotherapy. This has come as quite a huge shock for many around the world, and with three members of the royal family undergoing cancer treatments, it’s basically unheard-of territory now. In case you missed it, Kate announced her cancer diagnosis on March 22, with a heartbreaking video of herself on a bench, updating fans on what was happening.