They were famously a seven-piece, getting back together as recently as 2014 to celebrate a reunion.
But S Club 7 are deciding to reunite with just three members, while four of the originals have declined to take part.
Former couple Hannah Spearritt, 36, and Paul Cattermole, 40, have confirmed they won't rejoin the group only a few weeks after a vicious Twitter feud that followed the ugly fallout of their break-up.
Reaching for the stars? S Club 7 to return as TRIO ahead of 2018 world tour but feuding former couple Hannah and Paul refuse to take part
Jo O'Meara, Tina Barrett and Bradley Macintosh have decided to re-brand the group as SC3 in order to continue the group's legacy.
They are set the release the group's first song in 14 years which is called 'Family' and was written and produced by Simon Ellis.
Ellis had previously worked on the group's hit single's Don't Stop Movin' and Never Had A Dream Come True.
Feudal affairs: The pair had a heated exchange on the social media website earlier this month where Paul claimed Hannah had dumped him to focus on her career
A source to the trio revealed to The Sun that the song 'was originally pitched for all seven of them