English singer, songwriter, and actress, Joss Stone looked fabulous at the royal wedding. If you aren’t familiar with Joss, she was the youngest British female singer to top the UK Albums Chart. She has also collected quite a few friends along the way. The Grammy-winning singer has formed close friendships with both William and Harry over the years. Prince Harry has found quite a good friend in Joss Stone. Because they are good friends she was invited to William and Kate’s wedding — a once-in-a-lifetime event she admits to having really enjoyed it. Joss performed at the Concert for Princess Diana (Prince Harry’s mother) at Wembley in 2007.