Sydney Kinsch shared how she discovered the truth on TikTok in a viral video, with many people praising her for her detective work, while others shared similar stories

A woman who says that her boyfriend of four years cheated on her has revealed how she discovered the truth.

Sydney Kinsch shared the photo that she claims led to the bombshell discovery that her partner had been unfaithful.

She went viral on TikTok after recording a video explaining how she allegedly caught her partner out, with the clip racking up 1.3 million likes in two days.

The photo shows a man wearing sunglasses and at first glance, it’s hard to see what is unusual about the photo.

But as Sydney pans across the video, she points to the reflection in his sunglasses, which shows a woman’s legs poking out the window on the passenger’s side.

In the comments of the video, she explained that her boyfriend had been cheating for a month and she only found out on September 21.