Just because Charlotte Crosby is now one of the first celebs who spring to mind when someone says weight loss, doesn't mean she's not struggled to get where she is today.

The Geordie Shore star has revealed in her new autobiography, Me Me Me, how she couldn't even step inside a gym for fear of getting laughed at because of her weight.

"I remember turning up to a photoshoot and all the clothes were sizes 6 and 8," the party loving lass writes.

"When I put them on they were digging in so much they were nearly cutting my skin. I felt disgusting. I was crying my eyes out."

"I felt so insecure and didn’t want to stand in front of the camera feeling like that," she explains.

But she was all to aware what she needed to do next.

"I knew I needed to get fit," she says. "But I’d got so big, I was too embarrassed to go to the gym."

Luckily, the reality TV star is in a much better place now in her life.

"I’m a happier and more confident person now," says Charlotte. "I’m so much healthier – I like pushing my muscles to the limit and watching them change."

Since her fitness kick, Charlotte has gone on to lose 3 stone in just six months, with her 3 Minute Belly Blitz DVD breaking all kinds of records.

Me Me Me is set for release on 16 July 2015, so not long to go!