Royal biographer Christopher Andersen explains that Kate Middleton and Prince William initially bonded over a shared sense of "naughty" humor. Read more, here.

"They've certainly cleaned up their act for the children's sake, but they can still make each other double over laughing."

The Prince and Princess of Wales are the perfect couple – but their sleeping arrangements may surprise you. It turns out the royal couple sleep with their beloved dog Orla in their bed. The revelation was made on Thursday,