The couple that plunges together, stays together!

For the daytime venture — which took place on theFatimayacht— Kardashian, 43, wore an all-black ensemble composed of a two-piece bathing suit that she accessorized with a flowing beach coverup.

Barker, 46, meanwhile, donned similarly dark attire, including black bottoms and a black top that he left unbuttoned to expose his heavily tattooed torso.

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Kourtney Kardashian Travis Barker

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Kourtney Kardashian Travis Barker

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RELATED VIDEO:Kourtney Kardashianand Travis Barker Dance to ‘Can’t Help Falling in Love’ at Italian Wedding

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Kourtney Kardashian and Travis Barker chose to wear Dolce&Gabbana for their wedding in Portofino, Italy

Kardashian and Barker’s weekend wedding marked the third time the pair have tied the knot.

The first time the couple sparked marriage rumors was on April 4 when they had a"practice wedding"at a Las Vegas wedding chapel. The spontaneous exchange of vows included anElvis Presleyimpersonator as the officiant and took place in the middle of the night.

On May 15, the pair werelegally wedat a California courthouse. A source told PEOPLE the wedding took place in preparation for their Italy nuptials — to make sure the wedding would be legal.

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Kourtney Kardashian Travis Barker

An insider told PEOPLE on Monday that Kardashian was on cloud nine during the wedding weekend and couldn’t be more thrilled to be married to theBlink-182drummer.

Noting that Kardashian “is really the happiest she has ever been,” the insider added: “Travis treats her like a queen. Kourtney keeps calling herself Mrs. Barker. It’s very cute.”

source: people.com