William and Kate seem like the most perfect couple. The Prince and Princess of Wales met when they studied at the University of St. Andrews, but despite some ups and downs, the two made it through and tied the knot. Today, the two have a wonderful family. Time will tell when it is time for William to ascend to the throne, as his father, King Charles, is not getting younger. 

Prince William and Princess Kate truly value relationships, including their friends. However, a shocking claim about William and a reported mistress rocked the royal family some years ago, which left fans in disbelief.

Not only was it another woman – but one of Princess Kate’s best friends. So what really happened? And who is this reported mistress? Let’s take a closer look