Penny Lancaster will star on the new series of 'Celebrity MasterChef'.

Penny Lancaster

Penny Lancaster

The 50-year-old model - who has Aiden, 10, and Alastair, 15, with her husband Sir Rod Stewart - is poised to appear on the show alongside the likes of Mel Sykes, Sue Pollard, Katie Price, Joe Swash and Dion Dublin, and Penny is expected to bring a bit of showbiz glamour to the cooking programme.

A TV source told The Sun newspaper: "Penny is going to bring glamour to 'MasterChef'. We're all delighted she has signed up."

Penny has been married to Rod since 2007, and the chart-topping star previously admitted he's "stunned" that his wife has kept him around for two decades.

The 'Maggie May' hitmaker - who was previously married to model Rachel Hunter and actress Alana Stewart - revealed that his good manners have underpinned his relationship with Penny.

He explained: "I'm stunned that Penny has kept me around for 20 years.

"They have not invented the words for how I feel about her. She is everything ... It took me a while to learn, because I have been a scallywag in the past. But I would say the most important thing is good manners - which is what I try to teach all my boys. You can wear the best suits in the world, look great and have the best carpet, but you still have to show manners. Open the door for a lady, stand up when a lady goes to the bathroom when you are having dinner."

Rod also thinks he's given his wife the confidence to star on TV shows.

He said: "I gave her a lot of confidence. She does a lot of TV work now and when we first met she was just a shy little person who would not talk very much. I have instilled the confidence in her. I am sure she'd tell you that. And she is here for me."

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