The Royal Beer Bong Is Ready Your Highness

12/29/2008 1:40 PM PST

The Royal Beer Bong Is Ready, Your Highness

He may be third in line for the British throne -- but Prince Harry is next in line to chug-a-lug!!

PH pulled a Matt Leinart during a party trip to Mauritius this weekend -- sucking down on one of the biggest beer bongs the island nation has ever seen.