Kate, 42, was photographed Monday in the passenger seat of a car driven by her mom, Carole Middleton, near Windsor Castle. The photograph marked the first time the mom-of-three and wife of Prince William has been seen publicly since undergoing abdominal surgery and a nearly two-week hospital stay in mid-January. Kate's last official public appearance was on Christmas Day, when she attended church with members of the royal family. William, the heir to the throne, post