The 2007 I'm A Celebrity... Get Me Out Of Here! winner and former Dancing On Ice champion Kyran Bracken will join regular judges Nicky Slater and Karen Barber for the UK jaunt.
Jayne Torvill and Christopher Dean headline the tour, which starts in Sheffield on April 8 and ends in Belfast on May 10.
Former winners Gaynor Faye and Ray Quinn and ex-finalists Clare Buckfield and Chris Fountain will star in the show, which allows audience members to vote for the overall winner via text.
Competitors from this year's series taking part include Boyzone's Mikey Graham, actress Hayley Tamaddon, Inbetweeners star Emily Atack and The Bill's Gary Lucy.