The 38-year-old Duke of Sussex will travel to London next month for the king's coronation, Buckingham Palace confirms.
The 4-year-old son of Prince William and Kate Middleton made headlines for his goofy antics during last year's Platinum Jubilee.
Harry has been estranged from his family for years following his decision to step down as a senior member of the royal family.
'The New Royals' author Katie Nicholl chats with ET about King Charles' coronation day, and what it means for the royal family.