A GROOM played an X-rated video apparently showing his new bride having sex with her brother-in-law.

The clip, which has been labelled a marketing stunt by some users online, shows the couple at a wedding reception in Fujian in south-eastern China last Thursday, reports local media.

5 A groom plays an X-rated video showing his new wife cheating - in a video clip which has been branded a stunt in China

5 The five-minute video shows the woman reportedly cheating with her sister's husband

According to reports, the man played a five-minute sex tape on the big screen in front of stunned guests.

It has been reported that the bride had an affair with the husband of her pregnant sister.

However, the footage first appeared “exclusively” on video app Aubergine Video and sceptical viewers have pointed out that the clip at the wedding also included the company’s logo.

One gossip columnist, known as Mr Zha, has called the video “a malicious marketing stunt.”

Despite this, the clip has been reported widely in China and in Hong Kong by Apple Daily.

The footage shows an X-rated video being played out on a projector during the couple’s wedding banquet while the groom tells the bride “you thought I didn't know?”

She is then seen throwing her bouquet of flowers at her spouse.

5 The clip was played in front of stunned guests at the wedding, it has been reported

But while viewers have been suspicious of the video's authenticity - something similar did happen at wedding, according to a recent guest on the BBC's The Graham Norton show.

An Irishman named Shawn who witnessed the drama recounted the horror story on the big red chair segment - where guests compete to finish telling their anecdotes without being chucked off.

He said: "At the reception, everyone started doing their speeches and then the groom stood up and said 'we're going to play a game'."

After making all the guests stand up, he then asked them to turn over their plates to see if there was a red sticker on the bottom.

Shawn continued: "Everyone did it, it filtered out and there were eight guys left standing."

The groom then said: "Would you all please look at the eight gentlemen left standing.

"They've slept with my wife since we've been engaged and I'm now going for an annulment."

He then exited the room without saying anything else, leaving the guests in a state of total shock.

Wedding guest reveals brutal way groom shamed his cheating wife at reception on The Graham Norton show

5 Graham Norton guest Shawn recently recounted an incident at a wedding where the groom shamed his new wife for cheating on him