Stars ‘disgusted’ by Jack Whitehall’s sex story

British comedian Jack Whitehall has revealed two A-listers were horrified after he told them a graphic sex story on a US TV show.

British comedian Jack Whitehall has revealed two Hollywood A-listers were “disgusted” after he told them a “horrific sex story”.

The star shared the hilarious story during an interview with news.com.au to promote his role in a new Uber Reserve campaign (more on that later).

“I did James Corden’s show once in America with Brie Larson and Billy Bob Thornton and it was the first time I’d done an American chat show,” Whitehall said.

“I was a little bit nervous and James got me to tell a really, really horrific story which I never should have told publicly, let alone with cameras rolling.”

So what was the story?

Jack Whitehall "horrified" Brie Larson and Billy Bob Thornton on a talk show.

In the 2015 episode of The Late Late Show with James Corden, Whitehall explained that he often experienced “really bad acid reflux” during sex, and detailed a particular experience he had while making love to his then-girlfriend.

“I got a little bit of heartburn and I didn’t want to upset her, so I thought I would try and sort out the heartburn whilst continuing with the sex,” he said on Corden’s show, while sitting next to Thornton and Larson.

Whitehall said he “flipped” his girlfriend “onto her front” so he could discreetly take some Pepto-Bismol, a medicine to treat heartburn and indigestion.

“I had the Pepto-Bismol but it didn’t sort out the heartburn … and I didn’t want to offend my girlfriend by making it feel like I didn’t enjoy the sex … so in the end, in a moment of madness, I don’t know why I did it, I whipped out and just splashed a bit of Pepto-Bismol on her back.”

Larson stared on in disbelief after the story, with Thornton simply saying, “wow”.

Speaking about the incident to news.com.au, Whitehall said, “they (Thornton and Larson) were both very unnerved with me after that”.

“Billy Bob, he’s done some quite weird (things), like he had like a vial of blood around his neck (he once wore a locket that contained a drop of Angelina Jolie’s blood) … but even he was kind of disgusted by my horrific sex story.”

Jack Whitehall is the new face of an Uber Reserve campaign. Picture: Ken Butti

Graham Norton guest that surprised him the most

During his interview with news.com.au, Whitehall also spoke about the most memorable star he’s met on The Graham Norton Show, a program he’s appeared on more than 10 times.

“I think the last time I did it, I did it with Arnold Schwarzenegger,” he told news.com.au.

“He had the most insane entourage of people I’ve ever seen. So many bodyguards and people following him around the corridors.

“I couldn’t really understand why, because of all of the people, he needs the least bodyguards,” Whitehall joked. “He looks like he can hold himself in a fight.”

Jack Whitehall on Graham Norton's show with Arnold Schwarzenegger.

Uber Reserve campaign

Whitehall is the latest big name celeb to take part in an Uber campaign down under.

He’s filmed a couple of TV commercials to promote Uber Reserve, a service that allows Uber riders to book trips in advance.

He’s also the face of a promotion that allows Uber customers to get a promo code for up to $100 off a Reserve ride on Uber this Father’s Day (Sunday, September 1).

All people have to do is send in their best dad joke here by midnight AEST on Thursday August 29 (terms and conditions apply).