Celebrity Mound

MARY-Kate and Ashley Olsen are acting like their old, inseparable selves. Countering rumors that all’s not well in celebutwin land, the Olsen sibs trotted into Paris nightclub Regine’s for a Fashion Week party thrown by the owners of New York’s Mr. West Lounge. “They arrived holding hands and were totally inseparable all night,” one source said. “They mostly stuck together but chatted a bit with Kate Bosworth, Jessica Stam and Lauren Davis.”

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