Kimberley Walsh has revealed that Strictly Come Dancing will be "a new challenge".

The Girls Aloud singer has already shown off her dance moves as part of the group, but admitted taking to the dancefloor without her bandmates is daunting.

"I have danced before but not ballroom at that level, and I've always had the girls around me when I dance so this is a new challenge," she said as she shimmied onto the sequin-covered red carpet in a gold dress at the show's launch at BBC TV Centre in west London.

kimberley walsh

"I'm going to push myself, and I think the judges are going to be hard on me especially on the technical side, so I don't think my past will make it any easier."

Jerry Hall, the 56-year-old ex-wife of Rolling Stones frontman Mick Jagger, said: "I love the dancing! I hope my partner is going to be tall and handsome."

Ballerina Darcey Bussell steps into Alesha Dixon's heels as the new judge, alongside Len Goodman, Bruno Tonioli and Craig Revel Horwood.

"So far, it's been good - the other judges have been very supportive and are looking after me nicely," she said.Bussell, who wore a beautiful purple lace gown, added: "I'm looking for an all-round performer that has entertainment value as well; it's not just about their dancing skills."

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Fellow judge Goodman said about the new addition: "Classy Darcey is going to be fantastic. I hope she's going to be nice, but I've got a feeling she won't be all the time - she sits next to Craig so you can never tell."

Host Sir Bruce Forsyth CBE described the upcoming series as "the best ever". "I think it's a marvellous line-up. Who knows what is going to happen?" he said.

Strictly Come Dancing begins on BBC One on Saturday, September 15.

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  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Victoria Pendleton attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Denise Van Outen attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: The professional dancers attend the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Kristina Rihanoff attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Flavia Cacace and Vincent Simone attend the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Jerry Hall attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Erin Boag attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Dani Harmer attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Aliona Vilani attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Karen Hauer attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Ola Jordan attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Karen Hauer attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Denise Van Outen attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

  • Strictly Come Dancing 2012 launch - London

    Kimberley Walsh arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Dani Harmer arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Tess Daly arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Tess Daly arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Kimberley Walsh arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Fern Britton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Lisa Riley arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Louis Smith arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Johnny Ball arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Jerry Hall arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Kimberley Walsh arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Victoria Pendleton and Louis Smith arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Tess Daly arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Kimberley Walsh arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Dani Harmer arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Jerry Hall arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Kimberley Walsh arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Denise Van Outen arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Tess Daly arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Victoria Pendleton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Fern Britton arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Colin Salmon arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Sir Bruce Forsyth arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Sir Bruce Forsyth and Tess Daly arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Louis Smith arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing 2012 launch - London

    Olympian Louis Smith arriving for the launch of Strictly Come Dancing 2012, at BBC TV Centre in west London.

  • Strictly Come Dancing - Red Carpet Launch

    LONDON, ENGLAND - SEPTEMBER 11: Artem Chigvintsev attends the launch of Strictly Come Dancing 2012 at BBC Television Centre on September 11, 2012 in London, England. (Photo by Tim Whitby/Getty Images)

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