In August, Klass, gave birth to her third child, a son called Apollo.
Dancing on Ice is presented by Holly Willoughby and Phillip Schofield, with former Olympic champions Jane Torvill and Christopher Dean appearing on the judging panel.
“Guess who won’t be holding the coats at the side of the rink anymore,” Klass, 42, teased.
“My girls have always wanted me to do this but I’ve always been too scared someone will skate over my fingers,” she continued.