Keisha Buchanan splits from secret boyfriend Sugababes star Keisha Buchanan has revealed her split from a secret boyfriend and admitted she has no idea how to date as she prefers longterm relationships. 30 July 2025 Sugababes star Keisha Buchanan has split from her secret boyfriend, after moving to Canada to be with him. Keisha Buchanan splits from secret boyfriend The 40-year-old singer revealed she had made the huge move to be with her mystery man but the relationship ended and she has now been single again for over a year.