By Sharon Clott Kanter
Updated Aug 22, 2011 @ 2:00 pm
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Radcliffe/BauerGriffinOnline; Courtesy of John Lewis

Catherine, Duchess of Cambridge took a beachfront walk with her little sister and Pippa's boyfriend Alex Loudon this weekend in Llanddwyn Island, near her home of Anglesey, North Wales. For her casual stroll, she wore a lilac cowl-neck sweater with her denim leggings and wellies. Find the same cashmere top at JohnLewis.com for $82 (on sale from $165), available in limited sizes.

PLUS! Look back at all of Duchess Catherine’s North American tour outfits in the gallery.