Harry plants a kiss on Olivia's lips as they lounge on the boat's deck.
The singer takes a photo of his girlfriend as she reads a book on the boat.
Harry expertly jumps into the water while Olivia watches from her spot on the boat.
The couple enjoys a splash in the ocean during their Italian getaway.
Harry to Olivia, probably: "Just let me adore you."
The pair takes a look at the underwater creatures with their practical goggles.
Olivia and Harry share a kiss as they take a dip in the waters of the Tyrrhenian Sea.
The 27 year old shows off his many tattoos while wearing a pair of black swim trunks.
It's safe to say Harry "Lights Up" when he's around Olivia.
Some time ago, fans noticed Harry gave Olivia his cross pendant, which rests on her sun-kissed back.