VAUSE: So what could be better than the Donald Trump baby blimp? What about a bikini-clad balloon resembling the mayor of London, kind of resembling? Protesters have been given the go-ahead to fly their blimp above Westminster this weekend. It's all because they believe Sadiq Khan has not done enough to fight crime in London. So they're putting this gigantic whatever you want to call it into the sky to draw attention to their cause. They will certainly draw attention -- that is without doubt. It was date night on Wednesday for Prince Harry and his wife, Meghan Markle, attending a West End performance of "Hamilton". And there the prince briefly broke into song With "You'll Be Back" from the show's King George which is about his sixth great grandfather.</s>PRINCE HARRY, DUKE OF SUSSEX: You say -- That's definitely not going to happen.</s>VAUSE: And when we say briefly -- we meant very, very briefly. "Hamilton" is a very successful musical, in case you've been living under a rock. It mocks the British monarchy. Even so the young royals say they're huge fans. And this performance raised money for the Prince's HIV charity. Harry described it as absolutely incredible. You're watching CNN NEWSROOM live from Los Angeles. I'm John Vause. Stay with us. The news continues right here on CNN after a short break.
Duke and Duchess of Sussex Attend "Hamilton" Gala.