A Hollywood insider recently told PEOPLE that the pair "are madly in love" and "the loves of each other's lives"

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Jennifer Lopez is loving every moment spent with Ben Affleck by her side.

On Wednesday, the 52-year-old singer was photographed on a yacht getting a sweet kiss on her neck from her actor beau, 48.

The pair were riding on the watercraft as they toured the beautiful Amalfi Coast, shortly after the couple rang in Lopez's birthday the weekend prior.

For the outing, the "Let's Get Loud" singer kept it cute and nautical in a red and white striped tied bandeau bikini top with high-waisted flowy white trousers.

Lopez finished the look with matching minimal jewelry and a pair of cork wedges, while Affleck was spotted wearing a multi-colored collared shirt.

Jennifer Lopez Ben Affleck
Credit: Backgrid

Lopez and Affleck originally began dating in July 2002 and got engaged that November before postponing their September 2003 wedding days before the date. They ultimately called off their engagement in January 2004.

They were first spotted spending time together again in April, following Lopez's split from then-fiancé Alex Rodriguez. Since then, the pair have regularly been spotted hanging out together and spending time with each other's children.

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jennifer lopez and ben affleck
Ben Affleck (L); Jennifer Lopez
| Credit: Getty (2)

A Hollywood insider recently told PEOPLE that the pair "are madly in love" and "the loves of each other's lives," as a Lopez source added, "They want to do everything they can to make this work."

A source in June also previously told PEOPLE that "it's very obvious that Jennifer is serious about Ben," noting, "Everything seems to be running smoothly. She hasn't looked this happy for a long time."

RELATED VIDEO: Jennifer Lopez and Ben Affleck Are 'Madly in Love' as They Plan for a Future Together: Source

Earlier in the week, Lopez and Affleck were also spotted enjoying a romantic lunch in Capri after celebrating her 52nd birthday at the nightclub L'Opéra in St. Tropez with an intimate group of friends.

"They are having a beautiful trip," a source told PEOPLE over the weekend. "They celebrated Jen's birthday at a club last night. She looked gorgeous and very happy."

The couple made their rekindled romance Instagram official during the vacation, when Lopez posted a photo of the couple sharing a passionate kiss on a yacht.

Lopez has been wearing her beau's name close to her heart, sporting a gold Foundrae necklace that read "Ben," which was a birthday gift from the Justice League star.

"This is not a summer fling. They are planning a future together," a source recently told PEOPLE. "They have serious talks about how they can make it all work. Between their relationship, their kids and jobs, they know it will be tricky to balance it all."