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

What is the secret behind Kate Middleton and Prince William’s successful marriage? Well, one royal expert believes it is this unexpected side to their personalities that keeps the Prince and Princess of Wales’ spark alive — and it’s a vast contrast from their very proper public image.

Once upon a time, a British prince met a commoner while she was walking in a student fashion show. Royal fans know that's that fairy-tale style meet-cute that happened between Kate Middleton and Prince William at St Andrews,

Prince William and Prince Harry might have received party invites from Sean “Diddy” Combs but the royal siblings never attended any of his notorious events. "Diddy was obsessed with Prince Harry and Prince William,

This article contains mentions of sexual abuse. As it turns out, Sean Diddy Combs was allegedly obsessed with Prince William and Prince Harry. Despite being invited more than 10 times, Rob Shuter, Diddy's publicist in the early 2000s,