According to The Mirror, the former S Club 7 singer and model Lisa Snowdon have agreed to take part in the reality show.
"Rachel has met her dance partner," said a source. "She is excited and is going to get stuck into training.
"She wants to tone up and get back the figure that won her millions of male fans in S Club."
Stevens's solo music career included hit singles 'Sweet Dreams My LA Ex' and 'More, More, More'.
Other stars linked to the show include Teddy Sheringham, Heather Small, Mel Sykes, Gary Rhodes and Jodie Kidd.