Why did Kate Middleton tap Prince Williams butt?

<p>Was Kate showing the future King some PDA?</p> <p>What happens if Andrew decides to move to America?</p> <p>And hey Harry, are you coming to the coronation or not? Yes we ask this question 3 times a week.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>