Prince William admits that he obeyed 'like a puppy' when glamorous pop star Taylor Swift ordered him on stage for an impromptu performance with Jon Bon Jovi.
Recalling a fundraising gala in November 2013 for the homeless charity Centrepoint, a cause first championed by his late mother Princess Diana, the 39-year-old chuckles and says: 'I can't believe I'm actually telling you this story… I turn up and Jon Bon Jovi and Taylor Swift are at the event, which nearly knocked me off my feet.
'And then, I went inside, met everybody, a lot of handshaking to do those nights, a lot of chatting. I try and be charming and interactive.
'Occasionally, you're not having a good day, and it's a little harder to come by.
'When I sat down to watch Jon Bon Jovi do his performance, I thought, "That's it. My job is done. I'll get a dinner in a minute, and I might be able to have a chat to some people, and, you know, I'm off-duty a little bit now." '
But matters did not go according to that plan.
'Little did I think what was going to happen next,' he adds. 'I'm sat next to Taylor Swift.
'She's on my left – and after Jon does his first song, there's a pause and she turns to me.
Taylor Swift, Jon Bon Jovi and Prince William, Duke of Cambridge sing on stage at the Centrepoint Gala Dinner at Kensington Palace on November 26, 2013 in London
'She puts her hand on my arm, looks me in the eye and says, "Come on, William. Let's go and sing."
'To this day, I still do not know what came over me. Honestly, even now I'm cringing at what happened next, and I don't understand why I gave in.
'But, frankly, if Taylor Swift looks you in the eye, touches your arm and says, "Come with me…" I got up like a puppy and went, "Yeah, OK, that seems like a great idea. I'll follow you."
'I walked up on stage in a trance and then
