The former Girls Aloud singer was believed to be embroiled in a feud with her ex-bandmate and has claimed the resentment from Cheryl - who gave birth to her first child with Liam Payne, a son named Bear, in March - came from her jealousy about Nadine's vocal abilities and being chosen for the lead parts on their songs, an issue also shared by the rest of the band, Nicola Roberts, Kimberley Walsh and Sarah Harding.
But now, Nadine - who has daughter Anaiya, three, with her boyfriend Jason Bell - has dodged questions about their rivalry, saying she'd simply ask the star ''how she's getting on'' in her life if they were to meet up face-to-face.
Asked what she would say to Cheryl, 34, if they crossed paths, Nadine said: ''[I'd say] 'Hello! Hello, how are you doing? How are you getting on?' Because she as a young baby, I have a daughter so I know what it's like when they're that age.''
Nadine, 32, has also insisted she would ''never'' say she was the best singer in the group - which was formed through talent competition 'Popstars: The Rivals' - as she believes each member had different strengths.
When asked if she felt as though she was the strongest vocally, she said: ''I would never say such a thing. The competition was that you all auditioned as yourselves and then they put the band together. The great thing about a band is that there's so many different personalities, so there's always going to be somebody that's somebody else's favourite. You know, people loved Sarah the blonde, loads of energy, kind of a rocker, and everybody has their different personalities that people can attach to. And that is the great thing about being in a band.''
And the Irish beauty - who is re-launching her solo career with new single 'Get To Work' - has said there is ''no emotional scar'' between the five members of the 'Sound of the Underground' hitmakers.
Speaking on UK television show 'Loose Women', she said: ''It's a great thing that you can work together for so long. I'm not even from the same country as them really, so it would be really difficult. And we're all from different cities, so it was everybody having to meet on a TV show and then put together in a band, and for us, we were the lucky ones. It worked out really really well for us, there's no emotional scar.''
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