At New York Fashion Week this weekend, Sienna Miller wore the coat that has invaded the high street. At the Tory Burch show, Sienna wore a beautiful orange slip dress by the designer underneath a cosy cream shearling teddy bear coat. You don't need to spend a fortune to re-create her outfit, as we've found an amazing similar coat at Weekday for £125 and Monki for £65. Keep scrolling to see and shop Sienna's latest look.