Former Sugababes member Keisha Buchanan attended the same event as two of the current lineup last night.
Amelle Berrabah and Jade Ewen, who arrived at the American Express My Live Story gala together, spent the night tweeting about the gig but made no mention of Buchanan's presence at the show.
Buchanan took to her Twitter as well, also ignoring that her former bandmates were in attendance, telling her followers: "I'm at Abbey Road Studios ready to watch Kaiser chiefs & Mark Ronson ohhhh yeahhh baby (sic)."
Buchanan, who was one of the founding members of the Sugababes, was allegedly ousted last year by management after Berrabah walked out of the band because of tensions between the two singers.
Jade Ewen, who represented the UK at Eurovision in 2009, replaced Buchanan shortly after.
Righteous Kill
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