Sam Faiers is five months pregnant.
Sam Faiers
The former 'Only Way is Essex' star and partner Paul Knightley announced last month they are expecting their first child together and now the 24-year-old beauty has admitted she is much further along than people thought.
She said: "Everyone thinks I'm only 12 weeks along. But I'm actually five months along already...
"The baby is due in the first half of January.
"We found out a couple of months in but we wanted to enjoy the news in our own little bubble."
The couple - who have been dating since last October - feel very "lucky" for Sam to have fallen pregnant so quickly.
Paul said: "We spoke about it for quite a bit and then it just happened. It was instant."
Sam added: "I hate the word 'trying'. It wasn't like, 'Right, let's try now.' And then obviously it just happened. I suppose we were lucky. We just didn't think it would happen that fast."
Sam and Paul are very excited to be having a baby, but have decided not to find out whether their new addition will be a girl or boy.
Sam told OK! magazine: "We're due to have the 20-week scan now but we've been on holiday. That's when we can find out the sex of the baby but we want to keep it a surprise.
"We're happy that the baby is healthy and we just want everything to go to plan."
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