Nadia Sawalha worries about Coleen Nolan on Celebrity Big Brother

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Nadia Sawalha has admitted she's worried about how Coleen Nolan will cope on this year's Celebrity Big Brother.

Coleen was runner-up on CBB in 2012 and said the opportunity to return to the house had come at the right time.

The 51-year-old's appearance comes after she admitted she and her musician husband Ray Fensome are going through a difficult patch.

Nadia Sawalha on the red carpet
Nadia Sawalha (Ian West/PA)

Nadia, who was on the reality show last year, warned on Loose Women that it was "high, high pressure".

"When you're chatting with agents you think that'll be fun, I'll have a laugh," she said.

"It becomes very serious very quickly, you're in a goldfish bowl and there's extreme light on you 24/7. You're magnified a million times.

"When you think you're going crazy they take you off into a little white room and try to tell you you're not crazy!" she added.

Coleen Nolan (Ian West/PA)
Coleen Nolan (Ian West/PA)

"It's high, high pressure and I just worry, that with the stuff that's going on for her at the moment, everything might feel magnified... I hope she'll be fine."

Coleen has previously said: "My personal life is at a bit of a crossroads at the moment and I really need some time out to think about my future.

"CBB asked me at exactly the right time, any other time and I would probably have said no. Let's hope I've made the right decision."

The singer-turned-TV presenter sold millions of records with her sisters as The Nolans and went on to star on shows such as Loose Women and This Morning.