Theo James was seen getting hot and heavy with Leonardo DiCaprio’s girlfriend, Vittoria Ceretti, in Capri on a small inflatable boat for a sizzling campaign for the Italian fashion brand.

But it wasn’t just the boat that was small, as the “White Lotus” star wore nothing but a tiny white speedo, putting his chiseled abs, chest, arms and legs on display.

Ceretti’s outfit also left little to the imagination, as she modeled an itty-bitty white string bikini for the shoot.

The genetically blessed brunettes were all over each other as photographers, videographers and crew members watched on.

There was even a camera hooked up to a crane hovering near the duo’s heads to get detailed shots of the steamy situation.

In paparazzi snaps of the shoot, which took place near a picturesque shore, James, 39, kissed and caressed Ceretti, 26, as he lied on top of her equally fit body.

The Italian model – who wore her wet dark locks down – lied with her head resting on the bow of the boat as she wrapped her arms around the UK native.

Despite the pair’s apparent passion, James has been married to actress Ruth Kearney – with whom he shares two children – since 2018, while Ceretti has been dating DiCaprio for nearly a year.

Ceretti and the “Titanic” star were first spotted making out at a nightclub in Ibiza in August 2023.

From there, they were photographed on an ice cream date in Santa Barbara, Calif., before they grabbed dinner with friends in Paris.

The model even hung out with DiCaprio’s mother in Milan.

“They’ve been spending quite a bit of time together over the past few months, and they’re enjoying getting to know one another on a deeper level,” an insider told Page Six in September 2023.

The two were then seen packing on the PDA at the Oscar winner’s 49th birthday party in Beverly Hills, Calif., in November 2023, where an eyewitness saw them being “affectionate and kissing throughout the night.”