Emma Watson Loewe Dress

The 33-year-old took to Instagram earlier this week to share with her 72 million followers the latest looks to fill her summer wardrobe.

One particular outfit, however, has left her adoring fans beyond puzzled as they desperately try to make sense of the optical illusion dress.

In one of the photos - and there were a few - the star can be seen wearing a totally strapless pale blue dress with some pretty eye-grabbing asymmetric detailing along the bust of the garment.

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The bottom half of the dress - from designer Loewe’s spring 2023 collection - seems to just effortlessly drape down while, at the same time, the top part totally defies the laws of physics as it juts right up into the air.

The post has since gone viral after clocking up nearly two million likes and thousands of comments from people eager to share their reactions to the bizarre garment.

People couldn't help but reference Harry Potter and the Wizarding World in a desperate hope to make sense of how it stayed in place.

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Another confused fan admitted: After reading through comments I feel less bad about how long I had to stare at her dress to figure out what was happening.

One Instagram user informed: The dress has pieces in it that make it stand up. If you zoom in on the image you can see that it's just the way the dress was fashioned.

A less patient fashionista hit out: People, come on! The dress is not 'hanging from her ears' or 'Photoshopped', the dress is designed to have 'bones', it’s just couture. Never seen the Met Gala and its over the top gowns?

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A final Instagram user pointed out: There are wire points going upward. If you zoom in you can see wear the dress is formed to her chest and then points dart away from the body. You can tell because the tips are all sewn for wiring placement.

A final Instagram user pointed out: There are wire points going upward. If you zoom in you can see wear the dress is formed to her chest and then points dart away from the body. You can tell because the tips are all sewn for wiring placement.