Popsugar Celebrity The Royals Kate Middleton's Reaction to Pippa's Baby News The Duchess of Cambridge Is an Aunt! See How She Reacted to Her Sister's Exciting Baby News 17 October 2018 by Monica Sisavat Solís View On One Page Photo 2 of 3 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Previous Next Start Slideshow The RoyalsThe British RoyalsPippa MiddletonPrince WilliamKate Middleton