Alison - who shot to fame on the third series of 'Big Brother' in 2002 - has previously said it would be an 'absolute dream to represent 'big girls' on the show.
“She was genuinely delighted to be asked to join. There is no doubt she will throw everything into her dance training. She could be one of this year’s real surprises.”
'Strictly' won't be the first celeb-based show that Alison has appeared on, having previously taken part in 'I'm A Celebrity… Get me Out Of Here!', 'Celebrity Fit Club' and 'Celebrity MasterChef'.
“She came in for her fitting last week and can’t wait to get started.”
Also rumoured to be taking part in this year's show - the first to be hosted by Claudia Winkleman and Tess Daly following Bruce Forsyth's retirement - are former 'TOWIE' star Mark Wright, ‘Masterchef’ judge Gregg Wallace, former 'Xtra Factor' host Caroline Flack and ‘Monty Python’ star Carol Cleveland.
Find out who else is rumoured to be taking to the floor on this year's 'Strictly' below...