American model Hailey Bieber poses for a photograph.

Hailey Bieber, who is married to pop star Justin Bieber, says she has limited the use of Instagram owing to heavy trolling.

Hailey was speaking to psychologist Jessica Clemons in a new vlog when she made the revelation.

"I think when you're going through a situation where you just have so many people hounding you with the same thing over and over and over again. It starts to mess with your mind and then you start to question everything and you're like, 'is there something that I'm not seeing that they see… Maybe they're right?'" reports a section of the media.

 Model Hailey Bieber and her husband and pop star Justin Bieber pose for the media.

She said that she could not handle being compared.

"I think one of the biggest things I struggled with for sure was the comparison aspect of body comparison and looks comparison and behaviour comparison.

When I look at my comments now, when I put up a photo or a video or anything, I know it's only going to be people that I know are only going to be positive and only going to be encouraging and uplifting," she said.

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In fact, Hailey even quit Twitter because it gave her anxiety.

"There was never really a time I would go on there that it didn't feel like it was a very toxic environment. The thought of even opening the app gives me such bad anxiety that I feel like I'm going to throw up," she said.

She added: "People can say whatever they want on the internet, you know, and then this stuff goes viralbecause people believe anything that they see on social media."