The Sugababes were one of the biggest bands of the noughties, as famous for their smash hits as for their in-group dramas. One by one, each of the original members left, until three new ‘babes made up the band. When the OG members got back together, they found themselves in a long legal battle to regain use of the Sugababes name. Were there shady industry figures trying to tear them apart all along? Stacey Dooley and Larry Dean discuss.