Nicola McLean is pregnant with her third child, even though the Celebrity Big Brother star wears a coil birth control device.

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The former glamour model – who already has sons Rocky, five, and two-year-old Striker, with husband Tom Williams – is six weeks along, but admits the pregnancy wasn’t planned and thought she couldn’t have any more children because she had suffered from eating disorders in the past.

In an interview with OK! magazine, she revealed: “I’m so shocked but very pleased.

“The baby definitely wasn’t planned: I have the coil!

“I know that no contraception is 100 per cent, you just hope it is, or hope it doesn’t in my case. I feel very lucky.

“To be honest, because of how ill I’ve been with my eating disorder, my periods had stopped and I thought I’d blown any chance of having any more kids so I was pretty devastated, because I want a house full.

“But suddenly my periods started coming back, which meant I was getting better.”

McLean admits she would like the baby to be a girl, although would be happy if she had another boy. She said: “I’d love a girl but I’d also be happy with a boy because I love going to the football, but I would love all the ballet and tutus too!

“I love children, I love being a mum and having a big family.”