The No Doubt singer has been with the Bush musician for 14 years and she is "proud" of that "accomplishment" because of the revelations that have rocked their union.

Gwen – who has two sons, Kingston, four, and Zuma, two, with Gavin - told Elle magazine: "I’ve been with Gavin for 14 years, and, let’s face it, that is a huge accomplishment.

"I feel so proud of that – it hasn’t been the easiest journey."

It emerged in 2004 that model Daisy Lowe is Gavin's daughter from a relationship he had with her mother Pearl Lowe in the late 1980s. He had been her godfather prior to being told of his paternity.

Last year, the 45-year-old musician finally admitted to having a homosexual affair with gender-bending British pop star Marilyn in the same decade when he was in his late teens.

Speaking about his sexuality, Gavin – who had refused for years to comment on Marilyn’s claims they had a relationship – said at the time: "I think at the outset there was a sort of fear - that was right at the beginning of Bush, and I didn't want it to be part of it.

“I've never wanted to appear closed about it. It's not something I've talked about really because it's always been in the glare of a tabloid world. It's just one of those things - move on.

"When you're 17, Jesus Christ, I don't think there's anything strange about any form of anything - you're learning about life. It's a part of growing up. That's it. No more, no less."

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