Kate Middleton, 29, right, and her sister Pippa, 27, have become household names after Kate's historic wedding to Prince William in April. Kate tapped younger sister, Pippa Middleton, 27, left, to ... more 
Kate Middleton, 29, right, and her sister Pippa, 27, have become household names after Kate's historic wedding to Prince William in April. Kate tapped younger sister, Pippa Middleton, 27, left, to serve as her maid of honor. Click here for five things to know about Pippa Middleton. less 
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Good Morning America | Photo By Dave M. Benett/Getty Images
Fri, Oct 14, 2011 9:18 AM EDT