Pippa Middleton welcomed her and her husband James Matthews's first child, a baby boy, yesterday, multiple royal reporters have announced this morning. And already, Kensington Palace has released a statement from Pippa's big sister Kate Middleton and her husband Prince William detailing their feelings on the matter. 'The Duke and Duchess of Cambridge are thrilled for Pippa and James,' the Palace said.

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Pippa, like Kate, gave birth at St. Mary's Hospital's Lindo Wing. She also chose to keep the baby's gender a surprise (at least to family), the same way Kate and William did for all of their pregnancies. Kate and Pippa were last out together this past Friday when they both attended Princess Eugenie's royal wedding to Jack Brooksbank.

Pippa Kate Middleton
From: ELLE US
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Alyssa Bailey
Deputy Editor, News and Strategy
Alyssa is the Deputy Editor, News and Strategy, at ELLE.com, where she oversees coverage of celebrities and royals (particularly Meghan Markle and Kate Middleton). She previously held positions at InStyle and Cosmopolitan. When she's not working, she loves running around Central Park, making people take outfit pics of her, and exploring New York City.