Nicole Richie switched from author mode back into her designer pants to promote Winter Kate and House of Harlow at Holt Renfrew in Calgary, Canada, on Friday. It was Thanksgiving weekend for Canadians and Nicole sent everyone a jokingly crude happy holiday message on her Twitter. In addition to her two fashion lines, Nicole's new novel, Priceless, is out and she went on a short book tour during which she showed off her chic style and almost burst into song.
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