He was seated in first class and had his baseball cap hiding his face.
While waiting for his bag at Miami International Airport, several passengers noticed him and his cover was up.
William knew he had been spotted and when he was asked for photos he graciously said yes and then continued chatting with the excited followers.
He wasn’t in a rush and when his luggage finally arrived he waited a few more moment before finally saying goodbye. So nice to see celebs treating their fans well!!