'Countdown' star Rachel Riley is swapping letters and numbers for waltzes and rumbas after officially signing up for 'Strictly Come Dancing'.

The presenter, who recently racked up a milestone 1,000 appearances on the Channel 4 show, will join Vanessa Feltz, 'BBC Breakfast' presenter Susanna Reid and golfer Tony Jacklin, who have also confirmed they are appearing on the BBC ballroom show.

rachel riley

Countdown's Rachel Riley

The maths whizz, who studied at Oxford, married Jamie Gilbert last year with guests including Countdown host Nick Hewer.

Other names rumoured to be in talks to battle it out for Strictly's glitterball trophy include rugby player Ben Cohen, designer Julien Macdonald, singer Sophie Ellis-Bextor, model Abbey Clancy and 'Hairy Bikers' cook Dave Myers.

'Strictly Come Dancing' begins its 11th series next Saturday on BBC One.

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  • 'Strictly Come Dancing' Winners

    <strong>Series 1 / 2004</strong> <strong>Winner: </strong>Natasha Kaplinsky <strong>Partner:</strong> Brendan Cole <strong>Also Starring:</strong> Jason Wood, David Dickinson, Verona Joseph, Claire Sweeney, Martin Offiah, Lesley Garrett, Christopher Parker

  • 'Strictly Come Dancing' Winners

    <strong>Series 2 / 2004 </strong> <strong>Winner: </strong>Jill Halfpenny <strong>Partner:</strong> Darren Bennett <strong>Also Starring: </strong>Quentin Wilson, Carol Vorderman, Esther Rantzen, Diarmuid Gavin, Sarah Manners, Roger Black, Aled Jones, Julian Clary, Denise Lewis

  • 'Strictly Come Dancing' Winners

    <strong>Series 3 / 2005</strong> <strong>Winner:</strong> Darren Gough <strong>Partner:</strong> Lilia Kopylova <strong>Also Starring: </strong>Siobhan Hayes, Jaye Jacobs, Gloria Hunniford, Fiona Phillips, Dennis Taylor, Will Thorp, Bill Turnbull, Patsy Palmer, James Martin, Zoe Ball, Colin Jackson

  • 'Strictly Come Dancing' Winners

    <strong>Series 4 / 2006 </strong> <strong>Winner:</strong> Mark Ramprakash <strong>Partner: </strong>Karen Hardy <strong>Also Starring: </strong>Nicholas Owen, Jimmy Tarbuck, Mica Paris, DJ Spoony, Georgina Bouzova, Jan Ravens, Ray Fearon, Peter Schmeichel, Claire King, Carol Smillie, Louisa Lytton , Emma Bunton, Matt Dawson

  • 'Strictly Come Dancing' Winners

    <strong>Series 5 / 2007</strong> <strong>Winner: </strong>Alesha Dixon <strong>Partner:</strong> Matthew Cutler <strong>Also Starring:</strong> Brian Capron, Stephanie Beacham, Willie Thorne, Gabby Logan, Dominic Littlewood, Penny Lancaster Stewart, Kate Garraway, John Barnes, Kelly Brook, Kenny Logan, Letitia Dean, Gethin Jones, Matt Di Angelo

  • 'Strictly Come Dancing' Winners

    <strong>Series 6 / 2008</strong> <strong>Winner:</strong> Tom Chambers <strong>Partner:</strong> Camilla Dallerup <strong>Also Starring:</strong> Phil Daniels, Gillian Taylforth, Gary Rhodes, Jessie Wallace, Don Warrington, Mark Foster, Andrew Castle, Heather Small, Cherie Lunghi, John Sergeant, Jodie Kidd, Christine Bleakley, Austin Healey, Lisa Snowdon, Rachel Stevens

  • 'Strictly Come Dancing' Winners

    <strong>Series 7 / 2009</strong> <strong>Winner:</strong> Chris Hollins <strong>Partner: </strong>Ola Jordan <strong>Also Starring:</strong> Martina Higgins, Richard Dunwoody, Rav Wilding, Lynda Bellingham, Joe Calzaghe, Jo Wood, Zoe Lucker, Craig Kelly, Phil Tufnell, Jade Johnson, Ricky Groves, Natalie Cassidy, Laila Rouass, Ali Bastian, Ricky Whittle

  • 'Strictly Come Dancing' Winners

    <strong>Series 8 / 2010</strong> <strong>Winner: </strong>Kara Tointon <strong>Partner:</strong> Artem Chigvintsev Also Starring: Goldie, Paul Daniels, Peter Shilton, Tina O'Brien, Jimi Mistry, Michelle Williams, Felicity Kendal, Patsy Kensit, Ann Widdecombe, Gavin Henson, Scott Maslen, Pamela Stephenson, Matt Baker

  • 'Strictly Come Dancing' Winners

    <strong>Series 9 / 2011</strong> <strong>Winner:</strong> Harry Judd <strong>Partner:</strong> Aliona Vilani <strong>Also Starring:</strong> Edwina Currie, Dan Lobb, Rory Bremner, Nancy Dell'Olio, Lulu, Audley Harrison, Russell Grant, Anita Dobson, Robbie Savage, Alex Jones, Holly Valance, Jason Donovan, Chelsee Healey

  • 'Strictly Come Dancing' Winners

    <strong>Series 10 / 2012</strong> <strong>Winner:</strong> Louis Smith <strong>Partner:</strong> Flavia Cacace <strong>Also Starring:</strong> Johnny Ball, Jerry Hall, Sid Owen, Colin Salmon, Fern Britton, Richard Arnold, Victoria Pendleton, Michael Vaughan, Nicky Byrne, Lisa Riley, Dani Harmer, Denise van Outen, Kimberley Walsh

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