He's enjoying a fun-filled European holiday with friends, spending time on a yacht on the French Riviera.

And on Tuesday (August 2), Jared Leto was spotted hanging out with Victoria's Secret model Kelsey Merritt.

The 50-year-old actor and 25-year-old model enjoyed rock climbing in Sardinia, Italy after a break from their yacht, fueling romance rumours.

Jared opted for black shorts with a white long-sleeved shirt, adding a straw hat and sneakers,

DailyMail writes.

He closely followed Kelsey as they climbed a rock wall together during their holiday activity, stopping at the island of Tavolara off the north-east coast of Sardinia for their adventure.

The duo was joined by someone who appeared to be a tour guide or rock climbing instructor as he also steered their boat to the rock climbing site.

Jared and Kelsey have been staying on a mega yacht with fellow Victoria's Secret models Jasmine Tookes and Izabel Goulart.

The brunette, who has over 1.7 million followers on Instagram, revealed on Monday that she has tried scuba diving for the first time.

She also posted photos from their lunch at Cala Di Volpe.

It is not known if the pair are dating, Jared has previously had romances with Cameron Diaz, Katy Perry, Lindsay Lohan, Scarlett Johansson and Ashely Olsen, as well as model Valery Kaufman.

As the model dated Olympian Conor Dwyer from 2018 until they split earlier this year.

Supermodel Izabel Goulart was also invited to the giant yacht.

The Brazilian bombshell stunned in a red bikini.