Prince Harry and Meghan Markle partied in a "very private" region of Monaco to celebrate the start of 2018.
The 33-year-old royal and his fiancée were spotted flying economy class to Nice in the French Riviera over the weekend to start their New Year's celebrations, but it has now been revealed the pair didn't stay in the city long before getting into a helicopter and being whisked off to Monaco.
Whilst there, the pair reportedly "partied like tycoons" with the likes of Prince Albert of Monaco, and his wife, Princess Charlene, before their brief visit was drawn to a close when the couple flew back to England on Tuesday.
A source told MailOnline: Harry and Meghan were somewhere very private and very expensive. Monte Carlo is party central at this time of the year, and the word is that the British royals really enjoyed themselves.
"The fun could well have been laid on by Prince Albert, who is a close friend of Harry's. What's certain is that they were partying like tycoons on New Year's Day. Fun around Monaco is never understated, and always costs a fortune!"
However, a spokesperson for the Prince's Palace of Monaco has dismissed the claims Harry and Meghan spent any time with Albert and Charlene.
They said: "I haven't got any information about that. I'm not aware of it at all, not at all. It must have been private if it was the case, but I don't know about it at all. It's news to me."
Harry and Meghan's quick trip comes just before they are set to make their first royal engagement of 2018 next week, as they will be heading off to youth-orientated Reprezent FM in Brixton, London, on January 9.
Whilst at the radio studio, Harry and Meghan, 36, will learn more about the training programmes, and meet some of the current and former volunteers who have benefited from their time on the courses.