See more from Kourtney: Kourtney's Christmas Miracle
If you haven't heard, Kate Middleton and Prince William are expecting their second Royal Baby, which makes Prince George a soon-to-be big brother! Here's a look at other famous siblings, and here's how to prevent sibling rivarly from being an issue in your very own palace.
Sarah Drew tells us her fave prenatal workout, wise pregnancy philosophy and what inspires her gorgeous glow. Back to Main Page: Sarah's Sunny Life
Oops! Hayden Panettiere let the sex of her baby slip on the red carpet. Related: Celebrity Pregnancies