Prince Harry Sings 'Hamilton' Song Onstage in London - Watch Now!

Prince Harry, Duke of Sussex is showing off his pipes!

The 33-year-old royal, accompanied by Meghan, Duchess of Sussex, attended a gala performance of Hamilton the musical on Wednesday (August 29) in London, England.

PHOTOS: Check out the latest pics of Prince Harry

Prince Harry got on stage to address the crowd. But before his speech, be started to sing “You’ll Be Back,” a song performed by King George – who is also his sixth great-grandfather!

“You say…” he sang as the crowd erupted, including Lin-Manuel Miranda!

“‘You say…’ Thank you to the cast and crew of @HamiltonWestEnd for a fantastic performance, raising awareness and funds for @Sentebale’s work with children and young people affected by HIV #HamiltonLDN,” Kensington Palace tweeted after the performance.

Watch below!