Hugh Grant’s temporary ex, Jemima Khan, 33, who has been mourning the disappearance of her $2,000 Bengal kitty, stiffened her upper lip long enough to go to London’s Cipriani with the Duchess of Cornwall’s son and son-in-law to Prince Charles, Tom Parker Bowles, 31, who seems so fwah-fwah that he can’t possibly be a serious threat to Grant, 46. Although The Sun reports that an onlooker remarked, “She seemed to have forgotten about the cat.”