Mixing business and pleasure hasn't worked out for Lady Gaga. Life & Style has learned the singer split with her creative director, Matthew Williams. "She broke up with Matthew in late May," an insider close to the singer reveals to Life & Style. "All of those sexually charged outfits and performances? That was while she was in a relationship. Wait until you see her now!" But Gaga, 24, and her ex won't be going completely separate ways: He'll continue his role as the singer's creative director. "Gaga's keeping Matt on to ensure his loyalty," says the insider. "He knows where the skeletons are buried. If he lifted the veil, it would be over."

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