According to recent reports, Heidi Range (Who joined Sugabebs in 2001 ) was the chief plotter behind the events which tore apart the Sugababes. Apparently, she and Amelle conspired with each other to see that Keisha got kicked out of the group
Sugababes - who The Sun yesterday dubbed the Cockroaches Of Pop for surviving three line-up changes - recently signed a multi-million Pound deal with JAY-Z's label Roc Nation.
Pop-roach ... Jade Ewing is newest member of band who can survive anything
But Heidi felt they stood more chance of success in the US with someone new and enthusiastic - not Keisha, who rubs people up the wrong way.
A source said: "Keisha clashed with Amelle since she joined.
"Heidi did not want to be in a position where a big bust-up might arise while they're promoting their material Stateside.
"So she persuaded management a less headstrong character would be better suited to the group."
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But the decision to bin Keisha and draft in Jade, is going to hit the group, who had a No1 hit with Push The Button, where it hurts most - their bank balances.
They have had to book emergency round-the-clock studio time so Jade can re-record Keisha's vocals for album Sweet 7, which is due out on November 23.
Keisha has received a sizeable pay-off, thought to be in the six figure region.
Wow! If this is true, the things people would do for money and fame.
Sugababes last night, a report has claimed.
The 24-year-old's departure from the girlband was announced yesterday evening. Buchanan later told fans that it was not her choice to leave.
Sugababes's management have confirmed that Heidi Range and Amelle Berrabah will now be joined by Eurovision star Jade Ewen, allowing the group to continue as a trio.
According to the Daily Mail, Buchanan tried to put on a "brave face" at the Red Bull Fashion Factory party in London last night, but soon became upset by recent events. She was then reportedly comforted by Destiny's Child star Michelle Williams and JLS singer Oritsé Williams.
A source said: "Michelle was the first to share words of encouragement. But it all got too much for Keisha, who started to cry in the middle of the party and Oritsé from JLS had to comfort her.
"It was heartbreaking. She felt devastated about what happened and thinks everyone thinks she's a bitch when she did everything she could to make it work between her and Heidi and Amelle."
Buchanan's departure followed rumors of a bust-up with Berrabah, who joined the group as a replacement for Mutya Buena in 2005.