Prince William and his wife Kate are perfect representatives for the Royal Family. They’re young, stylish, and willing to be in the spotlight, advocating for charitable causes and meeting with leaders from all over the world. They also have two adorable children, which doesn’t hurt a bit. But despite their charmed lives, there’s one thing you’ll never see William and Kate do in public. It’s a small detail, but once you realize what it is, you’ll notice it in every single picture taken of them. Find out what’s missing from their photographs (and why) below.