It may not be a national holiday, but July 8 is near and dear to the hearts of Keeping Up with the Kardashians fans. Why? Because it’s Penelope Disick’s birthday! Arguably the cutest and most meme-worthy of the Kardashian grandchildren, Kourtney Kardashian and Scott Disick’s daughter turned 8 today, and her family couldn’t wait to celebrate such a significant milestone.