Kate Middleton made sure she didn't cause any fashion items to sell out yesterday when she attended her first joint official engagement where she was invited as guest of honour. The savvy royal-to-be has already caused a retail frenzy for Reiss, Whistles and Issa, but this time Kate chose to wear a coat that she's had for a while! In fact, she was previously spotted in the Katherine Hooker Herringbone coat in 2006 at the Cheltenham Cup. Click through to take a closer look at the details of her ensemble.
Take a Closer Look at Kate Middleton's First Official Royal Duty Look
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