As the world awaits the coronation of King Charles III, many questions linger regarding Prince Harry's involvement in the ceremony amid his rift with the royal family. ET spoke with royal biographer Andrew Morton to discuss the upcoming May 6 coronation and ask what Saturday will look like for Prince Harry compared to his brother, Prince William. «Prince William will have a central role in the coronation, he will be pledging his loyalty to the king,» Morton explained, noting, «Prince Harry will be back at the church. He's got a non-position.»Speaking of the service, Morton is curious to see how Prince Harry interacts with his family members.