Donaghy: 'sugababes Are Too Commercial'.... Ex-Sugababe Siobhan Donaghy has slammed her former bandmates, claiming they have become a commercial brand.Donaghy, who was one of the original members of the band, disagrees with the way the Sugababes have been marketed and has no regrets about walking out on the group in 2001, despite lacklustre sales of her last solo album, Revolution In Me.She says, "They are a brand now and that's not something I could be involved in, we just couldn't be more different."The things that have happened to me, leaving the Sugababes and then with my last record, people might think 'God, she must be gutted'. And it's been the complete opposite. It's been wonderful."

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