Cheryl Cole looked red hot last night (September 23) as she supported Girls AloudpalKimberley Walsh at the launch of her new autobiography, Denise Van Outen also joined Cheryl at the party, while fellow GA starsSarah Hardingwere absent.

However, Roberts did tweet Kimberley saying: "Miss Walsh, I hope you're having a lovely time at your book launch tonight.. Love u xx."

During an recent appearance on Louis Walsh in her book, saying he wasn't "hands-on" enough.

A Whole Lot Of History is out on Thursday (September 26).