Catherine, Duchess of Cambridge stepped out today wearing a collarless M Missoni coat in steel blue—a color Middleton happens to adore. Previously, she’s slipped on an icy Amanda Wakeley gown (far left), lacy Erdem shifts in cobalt (center right) and navy (far right), and, of course, her famous sapphire Issa engagement announcement dress (center left). Tell us: which blue look is your favorite? Vote in the poll below!

Plus, see Kate Middleton’s most memorable outfits.



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