Mills previously appeared in the US series Dancing With The Stars
Charity campaigner Heather Mills and comedian Bobby Davro are among the celebrities lined up for the latest series of ITV's Dancing on Ice.
Others include EastEnders star Daniella Westbrook, Boyzone's Mikey Graham and singer and TV presenter Sinitta.
Fourteen celebrities have been hired to take to the ice under the tutelage of Jayne Torvill and Christopher Dean.
More than 11 million people watched former X Factor finalist Ray Quinn win the last series.
Other previous winners include former Hears'ay singer Suzanne Shaw, and former rugby player Kyran Bracken.
GMTV doctor Dr Hilary Jones, actress Emily Atack, Olympic swimmer Sharron Davies, actor Gary Lucy, and former Coronation Street actor Danny Young are also in the line-up for the fifth series.
Tana Ramsay, author and wife of TV chef Gordon Ramsay, also joins the series, along with Hollyoaks actor Kieron Richardson, former Holby City star Jeremy Sheffield, and actress Hayley Tamaddon.
Presenters Phillip Schofield and Holly Willoughby will be returning when the series starts on 15 January, 2010.
Last week it was revealed that Spice Girl Emma Bunton would be joining the judging panel.
The 33-year-old said she was "excited" to be teaming up with fellow judges Jason Gardiner, Nicky Slater, Karen Barber and Robin Cousins.