Woman reacts to boyfriend's shock move in video background

Making a TikTok video with friends is always fun, especially when there is singing involved.

A woman named Georgia was doing just that during a night out, lip synching along to the "bing bong, what do you wanna tell Joe Byron right now" viral trend with the help of friends, when she spotted something suspicious in the background.

The shocked look on her face says it all.

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In the video, which has been viewed 3.6 million times, we see Georgia and her friends and then over Georgia's right shoulder a woman grabs a man’s face and kisses him.

That man (duh duh duh) is Georgia's boyfriend.

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It appears the woman has kissed the man on the cheek, although it appears overly familiar and Georgia's TikTok followers agree.

"That's brave...he's done that before," writes one.

Then Georgia's friend Selma comments: "Can't believe he did that right behind us."

Georgia seemingly confirms his actions by captioning the video: "When you catch your boyfriend cheating on you while making a TikTok."

One TikTok follower said if that were her partner and a woman tried to kiss him, he would have leaned "way back".

Another says: "I would put them both in the bin because at the end of the day they both did it not just one of them."

She did title the video with the words "no girlfriends were harmed in the process" of making the video although in the comments section seemed to say she was "trying to find more evidence".

"Love to see how he explains that one in 4K," writes another.