Kate Middleton & Prince William's Rare Affectionate Moments During Royal Outings

Members of the royal family don't often show PDA while on duty, and Kate Middleton and Prince William are no exception – but sometimes, their affection for each other can't help but shine through! The Prince and the Princess of Wales have, on rare occasion, bent the unofficial royal rules and snuck in some sweet gestures, whether it's a quick kiss or a hand on the other's back. Access Hollywood is looking back on some of the pair's most affectionate moments on official outings.