The former 'Neighbours' co-stars will be the star guests at a special tribute concert in London in honour of Eighties pop production team Stock Aitken and Waterman, reported Daily Star.
The show which will reunite many of SAW's chart acts for two nights at O2 Arena in December.
It will replace last month's Hit Factory Live event at Hyde Park in London.
That gig had to be cancelled after heavy rain hit the site.