Stars Celebrate Phillip Lim’s L.A. Boutique

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West Hollywood’s Robertson Boulevard got one more celebrity-adored resident Thursday night: designer Phillip Lim. Although his store, 3.1 Phillip Lim, officially opens for business on Friday, Kate Walsh, Jennifer Morrison, Camilla Belle, and Emmy Rossum all browsed the boutique for something new — dressed in Phillip Lim, of course. “Phillip actually made it for me to wear tonight,” Belle told PEOPLE of her colorful, Grecian mini. “Young girls can wear him, older women can wear him — my mom has pieces she wears and she looks so cool in them. It’s very accessible.” Inside, Walsh checked out fall cardigans and Morrison chatted with friends while Lim paused proudly for a moment before working the crowd. “I just can’t wait to see my old buddies,” he told PEOPLE of being in Los Angeles. “They are all here. And I’m going to give my mom a personal tour tomorrow. This is just a little bit much for her.” — Shayna Arnold