They've been dating for over two years.
The American model, 23, and her Love Island star beau, 25, kissed while on their daybed, and showed off their beach body physiques as they cooled off in the pool.
Happy: Delilah Belle Hamlin, 23, and her shirtless beau Eyal Booker, 25, put on a loved-up display in Mykonos, Greece on Wednesday
Delilah's two-piece swimwear set comprised a triangle bikini top and tie-side bottoms.
The American socialite accessorised with a long beaded chain and bracelet, gold hoop earrings and a chunky watch.
Later she shielded her head from the sun with an orange bucket hat and covered her eyes with a pair of oversized shades.
Eyal coordinated his look by slipping into a yellow pair of swim shorts for their day in the sunshine.
Cute couple: Eyal coordinated his look to Delilah's by slipping into a yellow pair of swim shorts for their day in the sunshine
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Wow! The American model looked sensational in a skimpy yellow bikini
PDA: The American model and her Love Island star beau kissed while on their daybed
Babe! The model showed off her enviable pins while reapplying sunscreen
Pretty: The American socialite accessorised with a long beaded chain and bracelet, gold hoop earrings and a chunky watch
Making memories: The couple gazed into each others' eyes as they made the