>> harry's statement was the most romantic thing a member of the royal family has ever done. and i think engagement watch was on from that moment. it was, let's wait for the ring. >> the ring comes in november 2017. >> prince harry has announced his wedding engagement to american actress meghan markle. >> and the royal family welcomes meghan with open arms. >> the queen made an exception and broke from royal protocol and invited meghan to spend christmas with the royal family and the queen. that's the first time a royal fiance has ever done that before marrying into the royal family. >> a powerful sign that the monarchy is modernizing and changing. >> the royal family is trying to be more in line with society and the queen wants her grandson to be happy. >> that happiness is something harry has been searching for most of his life. when we come back, the moment that changes everything.