Lisa Rinna's daughter Delilah Belle Hamlin models a string bikini as she frolics in the surf with her beau Eyal Booker in Tulum, Mexico

By DAN HECHING FOR DAILYMAIL.COM

Published: | Updated:

Delilah Belle Hamlin continued to turn up the temperature on Thursday, when she was again spotted living it up in a bikini with her Love Island boyfriend Eyal Booker on their holiday getaway to Tulum, Mexico.

Delilah and Eyal, both 22, looked sizzling as they frolicked hand-in-hand in the surf.

The daughter of Lisa Rinna and Harry Hamlin wore a tie-dye blue and white string bikini and her boyfriend was in pink swim trunks.

Hot young things: Delilah Belle Hamlin continued to turn up the temperature on Thursday, when she was again spotted living it up in a bikini with her Love Island boyfriend Eyal Booker on their holiday getaway to Tulum, Mexico

Hot young things: Delilah Belle Hamlin continued to turn up the temperature on Thursday, when she was again spotted living it up in a bikini with her Love Island boyfriend Eyal Booker on their holiday getaway to Tulum, Mexico

Both lovebirds sported delicate chains around their necks.

The pair could not keep their hands off one another as day negotiated the ocean waves, holding hands and putting their arms around one another. 

Delilah also sported sunglasses, earrings, and a large hair clip fastened to one strap of her bikini top. 

All over each other: Delilah and Eyal, both 22, looked sizzling as they frolicked hand-in-hand in the surf, with Hamlin in a tie-dye blue and white string bikini and her man in pink swim trunks

All over each other: Delilah and Eyal, both 22, looked sizzling as they frolicked hand-in-hand in the surf, with Hamlin in a tie-dye blue and white string bikini and her man in pink swim trunks

Arm in arm: The pair could not keep their hands off one another as day negotiated the ocean waves, holding hands and putting their arms around one another

Arm in arm: The pair could not keep their hands off one another as day negotiated the ocean waves, holding hands and putting their arms around one another

At one point, they were separated by just a few feet in the waves, and Eyal reached out to his love with his hand, while Delilah giggled and showed off her bright aqua manicure.

The London-born model showed off his exceptionally fit and muscular torso, wearing a few bangles around one wrist and a watch on the other.

Delilah and her boyfriend looked incredibly in love and comfortable with one another, literally unable to spend a moment apart.

At one point: They were separated by just a few feet in the waves, and Eyal reached out to his love with his hand, while Delilah giggled and showed off her bright aqua manicure

At one point: They were separated by just a few feet in the waves, and Eyal reached out to his love with his hand, while Delilah giggled and showed off her bright aqua manicure

Doing everything together: Delilah and her boyfriend looked incredibly in love and comfortable with one another, literally unable to spend a moment apart
Doing everything together: Delilah and her boyfriend looked incredibly in love and comfortable with one another, literally unable to spend a moment apart

Doing everything together: Delilah and her boyfriend looked incredibly in love and comfortable with one another, literally unable to spend a moment apart

Hunk alert: The hunky London-born model showed off his exceptionally fit and muscular torso, wearing a few bangles around one wrist and a watch on the other

Hunk alert: The hunky London-born model showed off his exceptionally fit and muscular torso, wearing a few bangles around one wrist and a watch on the other

The pair have been enjoying their escape to Mexico, documenting their time and the places they've stayed on their respective Instagram accounts.

Delilah is older sister to Amelia Gray Hamlin, 19.

Amelia, for her part, has been gaining a flurry of attention of late, thanks to her new relationship with reality star hanger-on Scott Disick, 37.

Hand in hand: Eyal's swim trunks had dark piping down the sides

Hand in hand: Eyal's swim trunks had dark piping down the sides

Accessories: Both lovebirds sported delicate chains around their necks

Accessories: Both lovebirds sported delicate chains around their necks

Moment on the sand: Delilah's hair was slicked back from the ocean as she made her way on the sand

Moment on the sand: Delilah's hair was slicked back from the ocean as she made her way on the sand

The couple's 18-year age difference is the main aspect causing them to be thrust into the spotlight.

Scott’s relationship with Amelia comes less than a year after he ended things with Sophia Richie, now 22. 

When the pair first got together, however, Sophia was also only 19. 

The pair have been enjoying their escape to Mexico, documenting their time and the places they've stayed on their respective Instagram accounts

The pair have been enjoying their escape to Mexico, documenting their time and the places they've stayed on their respective Instagram accounts

Gorgeous couple: Delilah is older sister to Amelia Gray Hamlin, 19

Gorgeous couple: Delilah is older sister to Amelia Gray Hamlin, 19

Eyal BookerMexicoDelilah Belle Hamlin

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