Crowd cheers as Prince Harry sings at 'Hamilton' performance
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A London crowd erupted into cheers after Prince Harry began singing a hit from the Broadway musical “Hamilton.”

The Duke of Sussex attended a show at London’s West End during a special performance to raise money for his HIV charity Sentebale.

He broke out into song at the end of the show, singing a few bars of a song sung by the George III character — Harry’s sixth-great-grandfather —  in the play, CNN reported Thursday

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Prince Harry attended the performance with his wife, Meghan the Duchess of Sussex, and the show’s creator, Lin-Manuel Miranda.

"Hamilton" cast members, including Miranda himself, have been outspoken politically and are vocal critics of the Trump administration.

The cast called out Vice President Pence while he was in the audience in 2016, telling him to embrace the country’s values in a personal message after the show.

Pence said he “wasn’t offended” by the cast’s comments, but President TrumpDonald John TrumpOver 100 lawmakers consistently voted against chemical safeguards: study CNN's Anderson Cooper unloads on Trump Jr. for spreading 'idiotic' conspiracy theories about him Cohn: Jamie Dimon would be 'phenomenal' president MORE accused the group of "harassing" the then-vice president-elect. 

The cast performed for former President George H.W. Bush and others produced a special fundraising performance for Hillary ClintonHillary Diane Rodham ClintonTrump to declassify controversial text messages, documents related to Russia probe Hypocrisy in Kavanaugh case enough to set off alarms in DC Clinton: Hard to ignore 'racial subtext of virtually everything Trump says' MORE during her presidential bid.