Kate Middleton, Prince William, Prince George, Princess Charlotte and Prince Louis
Kate Middleton, Prince William, Prince George, Princess Charlotte and Prince Louishttps://twitter.com/KensingtonRoyal

Every year, the beautiful serene beaches of Mustique— a luxury small island in the Caribbean Sea belonging to Saint Vincent and the Grenadines — receive a number of celebrities and royal guests across the globe. A favourite among the elite class, the island boasts of 100 luxury villas with a strict no-fly zone over the area providing them with the much-needed privacy.

And this year, it looks like the world's most-favourite couple, Kate Middleton and Prince William have hit the destination. The Duke and Duchess of Cambridge have flown to the island with their children, Prince George, Princess Charlotte and Prince Louis. This will be their first vacation as a family of five.

So what's so special about this holiday? It must be noted that Prince George is turning five on Sunday and the couple might have planned the holiday to celebrate the special occasion with their family. It is believed that the future king will have a grand birthday bash on the islands and to make the occasion bigger, the Middletons have also joined them.

Reports also suggest that Prince George will learn to swim on the island beaches as a part of his birthday celebrations.

Royal blogger Tea Time with the Cambridges spotted Kate's family—including her parents Carole and Michael— boarding a private plane from the St Lucia airport in the Caribbean to arrive at the destination. For Pippa Middleton, who is expecting her first child with husband James Matthews this could be a perfect occasion to celebrate her babymoon.

Remember, Kate celebrated her babymoon in the same island while expecting George. The couple also made a visit in 2014 when George was very young. On the other hand, the Middletons are quite a regular visitors to the island. Every year, they escape the winter blues in Britain to get soaked in the sandy Sun.

Kate is currently on her maternity leave after delivering Prince Louis while Prince William has just completed a few back-to-back assignments and he is likely to get back to work in August.

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