Natasha Hamilton and Charles Gay have an unusual name choice for their daughter (Picture: Instagram)

She’s part of Atomic Kitten and now Natasha Hamilton is also giving her fifth child a feline-inspired name.

The pop star is expecting her baby girl any day now with her husband, Charles Gay.

While Natasha, 41, is already a mum to Josh, 20, Harry, 18, Alfie, 13, and eight-year-old Ella from previous relationships, this will be her first child with the fashion brand director.

And in a very sweet tribute, the couple are planning on naming their daughter after their grandmothers.

The singer revealed the unusual moniker in an interview with OK! Magazine.

‘We’re going to call her Kitty Iris Gay,’ she shared.

But don’t start making it weird, ok? She’s not already trying to form an Atomic Kitten tribute band.

‘Kitty has nothing to do with the band!’, she explained. ‘My grandmother was Kitty and Charles’s grandmother was Iris and we just loved those names together.

‘They’re quite old-fashioned but there’s also a newness to them – they’re unusual and so cute.’

Highlighting the connection between Kitty’s name and that of her daughter Ella, the Whole Again hitmaker added: ‘Also, Ella is Ella Rose and I liked that both girls would have flowers as their middle names.

‘When we came up with Kitty Iris, we didn’t even consider anything else.’

Once Kitty arrives, Natasha believes her family will be complete.

The Atomic Kitten star is already a mum to four kids (Picture: Instagram)

This will be her first baby with Charles (Picture: Instagram)

‘Oh yeah, we are done!’ she jokingly stated.

‘I love having a big family, but five is a big number and we want to have time to do all the nice things we love doing. So yes, Kitty is definitely going to be the last!’

Natasha and Charles, 37, started dating in 2016 and got married in Lake Como, Italy, in 2021.

It was in February this year that she and Charles announced their ‘miracle’ pregnancy.

They did so with an adorable video montage shared on social media, showing her and Charles’s relationship through the years, their wedding, and the moment they found out they were expecting.

They wanted her moniker to be a tribute to their grandmothers (Picture: Instagram)

The montage also documented Natasha’s growing baby bump as well as her strange cravings – which included pickled onions!

Natasha – who rose to fame in the 90s/00s – wrote in her caption: ‘7 years of loving you… 17 months of marriage.

‘We finally got our little miracle.

‘We really couldn’t be any happier.’

Their bundle of joy is due in September.

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Very fitting…