She has been one of the world's most desirable women for the last 20 years.
But the mere sight Julia Roberts in a magazine is enough to send one dog running for its life.
A hilarious video has emerged on YouTube showing four-legged Optimus looking decidedly scared every time the dog's owner holds up a picture of the Oscar-winning actress.
It has caused a stir on the site, attracting more than 400,000 views.
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Beautiful: Most people wouldn't mind being shown a picture of Julia Roberts
Get ready: The dog's ears prick up when its is shown the advert of Roberts
Fearful: The dog takes an initial glance at the Hollywood movie star
Hiding: The dog then scuttles off to a safe distance and refuses to come closer while the picture of Julia Roberts is being shown
Terrifying: Quite why the dog would be so scared of Roberts is unclear
First the man shows a full-page advert using her face to the camera, before closing it.
Then he calls Optimus over and opens the magazine in front of the dog's eyes.
The dog instantly backs away, keeping its sights locked on Roberts, then edges towards the door, seemingly petrified.
Optimus's owner calls the dog back a second time and repeats the trick.
This time the dog's ears prick up and it runs off instantly, scrambling for the haven of the next room.
Maybe Optimus has heard Roberts is scheduled to play the Wicked Witch in next year's Snow White movie.
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