Hannah Spearritt will not be joining S Club for the bands upcoming 25th anniversary tour following the death of Paul Cattermole.
The pop band have rebranded themselves as a five-piece and have announced the news on social media.
Paul was found dead at his home in Dorset on April 6 aged 46, just weeks after the group announced their reunion tour. It was later stated that there were no suspicious circumstances surrounding his death.
Paul's bandmates - including Hannah, Rachel Stevens, Tina Barrett, Jon Lee, Jo O'Meara and Bradley McIntosh - were left in complete shock and paid tribute to their friend.
Member Jon Lee said in a video on the band's Instagram: "You've probably noticed that there's only five of us here today, and although Hannah will always be part of S Club 7, she won't be joining us on this tour.
"We wish her all the best for the future."
Hannah was in a relationship with Paul for a number of years but they finally split in 2015.
The number seven had been removed from the band's social media and website on Sunday.
Band members were reduced to tears as they paid tribute to the star in the video.
Lee said: "We have been in a bit of shock and it has taken a while for us to find the right words to describe how we feel about losing our brother Paul."
Rachel Stevens added: "Just taking the time to process and get our heads around it all and also taking time to share time together so that we could remember Paul and all the memories we had together."
Tina Barrett said: "It is just really sad, it is really really hard to process it right now."
Bradley McIntosh added: "All still in so much disbelief, Paul was a big brother to us, all of us and you guys out there. He truly was a unique specimen of human being. No one could replace our Paul, he lives on inside in each and every one of us."
Jo O'Meara said: "Whenever Paul would walk into the room you definitely knew that he was there because he would just light it up with humour and love, just a really special person."
The pop group announced the tour will be renamed the Good Times tour in memory of their former bandmate.
Barrett said: "We are calling the tour the Good Times tour in tribute to Paul because that was that was his song and all the fans know it was his song so it just feels right."
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