Vogue Williams, who is seven months pregnant with her first child, has hit back at online trolls who are "fat shaming" her.

The Irish TV presenter and model, who is expecting a baby boy with her fiancé, reality star Spencer Matthews, said she is "looking forward to getting even bigger".

She wrote on Twitter: "I actually just have to laugh at the people fat shaming me.

"I'm seven months PREGNANT, the online world is a nasty little place.

"Myself and my larger body are very happy and look forward to getting even bigger."

Earlier this week, Williams took to Instagram to post a picture of her growing baby bump and said she loves "dressing it now it's bigger".

She wrote: "I thought I’d hate wearing a bikini when I had a big bump, I’ve actually loved dressing it now it’s bigger or not dressing it in this picture."

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The couple announced they were expecting in March when Williams told Hello! magazine: "We were together when we did the test, on holiday in the South of France over Christmas, and we were just like 'Wow'.

"Regardless of how long you plan it for or how long you've wanted it, it's still like 'Oh my God!' It's such exciting news."

Matthews said: "I think we were more taken aback by how quickly it had worked, as opposed to the fact we're having a kid.

"Because we had already begun to try. So I just considered myself the luckiest man in the world when we got the baby news. We were heading down that matrimonial road anyway, so now we feel doubly blessed." 

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32-year-old Williams and 28-year-old Made In Chelsea star Spencer became engaged in February following a live performance of The Lion King in London.