Leonardo DiCaprio’s girlfriend Bar Rafaeli wasn’t the only supermodel on board: the Oscar-nominated actor and the Victoria’s Secret model rubbed elbows with Naomi Campbell and her Russian billionaire beau Vladimir Doronin. RadarOnline.com has the latest photos from their ritzy getaway.

PHOTOS: Leonardo DiCaprio And Bar Rafaeli Vacation With Naomi Campbell And Her Billionaire Boyfriend

The foursome, who were joined by Italian billionaire Flavio Briatore and his wife the Wonderbra model Elisabetta Gregoraci, were spotted relaxing on a boat off the coast of Sardinia’s Costa Smeralda.

PHOTOS: Bar Sizzles In Lingerie

While in a speedboat, Leo kept Bar close, hugging her from behind. Once on the yacht, Leo smoked a cigar and even enjoyed a playful shoulder rub from Doronin.

PHOTOS: Leonardo DiCaprio & Bar Refaeli Courtside

Leo and Bar later hit the Sardinian nightlife. On Saturday, the group went out to celebrate the birthday of Fawaz Gruosi, president of de Grisogono jewelry. Leo kept a protective (and affectionate) hand on Bar and she returned the favor by pulling him close as she whispered in his ear.

PHOTOS: Bar Soaks Up The Sun In Mexico