A BIZARRE image from a summer party has left people wondering if they really do have a dirty mind. The surprising optical illusion, which was uploaded to photo sharing site Imgur, a group of young partygoers living it up in the sun. imgurThings went pear shaped for this unlucky woman, after an unfortunate illusion made it look as if she had no bottoms on[/caption] A few men are enjoying cigars and clutching cans of beer, whilst a woman in a bikini can be seen staring out over the lake behind them. But eagle-eyed viewers noticed that something is up with the woman’s attire. Thousands of viewers did a double take when they assumed something had gone pear shaped with the woman’s bikini bottoms in particular. The snap swiftly went viral thanks to the optical illusion in the shot, which makes it look as if the woman is flashing her bare bum at the camera. READ MORE IN WORLD NEWS MYSTERY DEEPENS Brit dad & son found dead had BLUE & brown liquid in noses after poisoning BLOOD SPORT I went undercover with hunters - their tricks to get ‘perfect photo’ are sick Of course, this isn’t the case, but the bikini-clad brunette looks like she’s suffering from an epic wardrobe malfunction thanks to the unfortunate positioning of a tattooed arm. The photo baffled viewers, who thought it was a very racy party at first glance. One joked: “What kinda party is this, and why wasn’t I invited?” But this isn’t the first optical illusion to stump the web in recent weeks. Last month, a photo from a rock concert went viral after viewers noticed something seriously wrong with it. It shows one blonde reveller putting on a very cheeky display but all was not what it seemed. Most read in News MUM'S AGONY My baby boy was taken by social services - then he was murdered back on the box Kate McCann says she's 'embarrassed & bruised' after live TV debate fall HELI TRAGEDY Investigators reveal how Brit tourist was killed in horror helicopter death REJECTED Archie Battersbee's family denied challenge to son's case at UN by Court of Appeal 'DEADLY BLOW' Horror moment Brit, 22, 'delivers fatal blow to his dad on Marmaris holiday' BAKE BRITAIN Brits to bask in 31C sun in days after return to scorching temps this week