PIC EXC: Sir Paul McCartney, 80, takes a dip in the sea with wife Nancy Shevell in St Barts

Sir Paul McCartney changed into his bathing suit and took a dip in the Caribbean Sea with his wife Nancy Shevell in St Barts on Friday.

The legendary singer, 80, was having the time of his life soaking up the sun with his love, 63.

He could be seen wearing a long-sleeved Nike vest to protect him from UV rays as he frolicked on the beach.

Paul changed into a pair of blue shorts with an outdoor scenic print and went to sea to play with Nancy.

His wife wore a colorful patterned bathing suit with a pair of black shorts and tied her brown hair up in a practical bun.

Fun in the sun: Sir Paul McCartney, 80, changed into his bathing suit and plunged into the Caribbean Sea with his wife Nancy Shevell, 63, in St Barts on Friday.

Beloved: The legendary singer, 80, was having the time of his life while soaking up some sun with his love, 63

Last year, Paul revealed that his signature dance moves were responsible for his long-running romance with his business wife, Nancy.

Writing in his book, The Lyrics, Sir Paul, the Beatles star explained how he knew Nancy was a keeper when he matched her energy on the dance floor.

Paul, who was previously married to Linda McCartney and Heather Mills, wrote: ‘There’s no denying it, I really enjoy dancing.

‘It’s something my wife Nancy and I are particularly interested in.

“After a show, when the band and crew meet up for a drink, we are always the first on the dance floor. Certain songs will just make you dance.

Paul teamed up with Nancy when the couple vacationed in Morocco with his brother Mike and was serenaded by the musician on the hotel piano.

The Beatles star detailed how they weren’t officially a couple yet and were sleeping in separate bedrooms when he made his move.

Paul explained, “The piano was sitting in the lobby all day, and because the rain wouldn’t stop, I would sometimes go and just fiddle with the keys.”

Practical: He could be seen wearing a Nike long-sleeved vest for UV protection while frolicking on the beach.

Ready for the holidays: Paul added a pair of blue shorts with an outdoor scenic print

Throw and Catch: He jumped into the sea to play a game with Nancy

Swimming: His wife wore a colorful patterned swimsuit with a pair of black shorts and pulled her brown hair up into a practical bun

Adorable: He placed a loving hand on Paul’s back as they swam.

Playing around: Showed off her long legs in a bathing suit

Relaxing: The musician then dried himself off with a tasseled towel

Scenic: Paul looked relaxed during his time in the bright blue sea

Cold: Nancy seemed to wince as she stepped into the water.

‘I was thinking all kinds of loving thoughts towards Nancy, and while I was at the piano, I could see that the waiters who were cleaning up were listening.

“But it was nice and romantic, it was perfect timing, and I thought to myself, we’re not going to be staying in separate rooms tonight.”

Paul and Nancy were later married in 2011 at a London register office after he admitted he had already “fallen in love with my lady” before they were official.

He added in his book: ‘If you had to say one word about her, it’s that she’s real.

‘I have a beautiful photo of when we went to the White House. It’s from Nancy and I talking to Barack and Michelle Obama, and we’re laughing at something the president said.

‘Nancy is paying so much attention. She is a great person. She is multifaceted.

Paul’s book features 154 songs from all stages of his career, spanning the Beatles, Wings and as a solo artist.

Includes song lyrics from titles like Hey Jude, Blackbird, Penny Lane, Band On The Run, Live And Let Die and more.

Caribbean: The couple seemed deep in conversation as Nancy pointed toward the beach.

Sweet: They hugged as they walked back to shore.

Luxury: Paul and Nancy made the most of their vacation

Beloved: He was beaming while chatting with his wife.

Secrets: Last year, Paul revealed that his trademark dance moves were responsible for his long-running romance with his businesswoman, Nancy.

Perfect Match: Writing in his book, The Lyrics, Beatles star Sir Paul explained how he knew Nancy was a keeper when he matched her energy on the dance floor.

Moves: Paul wrote: ‘There’s no denying it, I really enjoy dancing’

Full of Fun: “After a show, when the band and crew meet up for a drink, we’re always first on the dance floor.” Certain songs will make you dance,’ he continued.

In love: Paul and Nancy were later married in 2011 at a London register office after he admitted he had already “fallen in love with my lady” before they were official

Crew: Your vacation comes after Elton John, Tom Hanks, Jools Holland and Paul joined David Hockney at his immersive art exhibition in London this month.

Their vacation comes after Elton John, Tom Hanks, Jools Holland and Paul joined David Hockney at his immersive art exhibition in London this month.

The entire group posed for a snapshot at Bigger & Closer (not smaller and farther away) in Lightroom, which Jools shared on his Instagram account.

He wrote: ‘Great art accompanied by the great artists of life, could not be better. David Hockney’s dazzling spectacle, ‘Bigger and Closer (not Smaller and Farther)’ @_lightroomldn is wonderful.’

David sat at the front of the group looking sharp in a checked suit, shirt, tie and matching hat.

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