After 21 years together, The Wiggles have announced there will be a change of skivvies at the end of the year.

Jeff Fatt, Murray Cook and Greg Page will pass on their famous purple, red and yellow tops to a new generation of performers when The Wiggles wind up their Celebration world tour in Australia in December.

Page only recently rejoined the entertainers after taking time out to recover from a mystery illness, later diagnosed as the debilitating disease dysautonomia.

"It's been so great having Greg back with us so far this year, and to finish our time on stage all together again seems so fitting," Fatt said in a statement.

Blue Wiggle Anthony Field will continue driving in the Big Red Car.

"The touring and performing over the past 21 years has meant that we've spent a long time away from our own families and friends," Cook said.

"We miss them and want to spend more time at home, which is a major reason why three of us decided it was time to hand on our skivvies to a new generation."

Newcomers Emma Watkins, Lachlan Gillespie and Simon Pryce have been handpicked by the group to become the new Yellow, Purple and Red Wiggles.

"We've been entertaining children around the world for 21 years and it's important that we plan for the future so that The Wiggles can keep wiggling in the years to come," Cook added.

Field said the three replacement Wiggles have years of experience on stage with the group, playing various characters including Dorothy the Dinosaur, Captain Feathersword and Wags the Dog.

"Lachy, Simon and Emma all have wonderful singing voices and are experienced children's performers," he said.

New Wiggles Emma Watkins (yellow), Lachlan Gillespie (purple) and Simon Pryce (red) have been introduced on the group's website. ( www.wiggles.com )

AAP