Prince William: Bachelor Party with Prince Harry!

Prince William wears an orange cap while making his way out of the new subterranean Mexican bar Tonteria nightclub on Saturday evening (June 1) in London, England.

The 30-year-old Duke of Cambridge was joined by his younger brother Prince Harry and some other pals for a night on the town for one friend’s bachelor party.

PHOTOS: Check out the latest pics of Prince William

Earlier in the week, Will attended the 2013 Audi Royal Polo Challenge and played a round of polo while celebs like Naomie Harris and Jeremy Irvine watched on.