It’s handbags at dawn with the release of Kimberley Walsh’s revealing autobiography.

The singer doesn’t hold back, lashing out at former band manager Louis Walsh and colleague Nadine Coyle.

According to reports by The Sun, Kimberley blames The X Factor judge's disappearing act for the band's downfall.

The newspaper reports the Yorkshire beauty writes: "He has since admitted to me he didn't know what to do with five girls and that he was a bit scared of us," in her new book.

"Louis has just never really been a hands-on type of manager, and back then we suffered because of it," she reportedly adds.

"Whatever the case, his disappearing act meant we had nobody looking after us," she finishes.

The singer, who came second in the Strictly Come Dancing final last year and is best friends with former band mate Cheryl Cole, is also angry with Nadine Coyle.

Former bandmates Cheryl and Kimberley are close friends

According to Kimberley, the split started back in 2007 when Nadine originally tried to go solo.

She says of finding out about Nadine’s own manager: “It turned out that Nadine had taken on someone to represent her as a solo entity, and we knew absolutely nothing about it. We felt like we’d been sucker-punched.

“The following Out Of Control tour in the spring of 2009 wasn’t the beginning of the end for Girls Aloud — it was almost the end of the end.

“There had been a weird atmosphere within the band ever since we’d found out about Nadine’s manager, Bruce Garfield.

“It was hard for us to accept her need to separate herself from the rest of us, because at that time none of us had considered a solo career, and she never once talked to us about it.”

In an extract from the book published in The Sun today, Kimberley also claims that Nadine lied to fans earlier this year, when the five piece finally officially announced they were over for good in a tweet.

“Nicola, Cheryl, Sarah and I tore ourselves apart about how we were going to announce to the fans that Girls Aloud was finally over,” Kimberley explains. “All five of us knew that it was going to end, which is why we’d agreed to do one final tour.

“An hour before the very last show, while we were still working on the official announcement, Nadine point blank refused to agree to any kind of press release — but we had to let the fans know somehow.

“In the end, we made the announcement on Twitter which we thought would be a nice direct connection to the fans.

“You can imagine our surprise when Nadine went public, saying that she had no part in our decision to split, and that she wanted the group to keep going.”

Kimberley added: “It was quite a hard piece of news to swallow because she never said any such thing to the rest of us, and splitting up was what we’d always planned.”

Kimberley’s book A Whole Lot Of History is out on September 26.