Happy Birthday, Penelope Disick!
This tiny star is turns four today, and we bet Kourtney Kardashian and Scott Disick have planned a special, jam-packed day of fun for their growing princess.
While we won't get to see how much fun this little tot will be having — we wish we were invited to the bash! — we've collected some of her cutest moments to celebrate the big day!
Click through the gallery to see some her most adorable snaps!