Article continues below advertisementThe royal family may experience a Christmas miracle this year, as a royal expert believes it's possible that Prince Harry could reunite with his loved ones for the holiday, with an insider claiming it could be cancer-stricken King Charles' "last."Though Harry hasn't celebrated with his family in years since moving to America in 2020, 2025 is a bit different: Not only did the Spare author reunite with his dad in September, but the patriarch is still in the midst of battling cancer.