Kris Jenner’s been all over the world, but for her 59th birthday, she wanted to spend the day at the happiest place on earth—that’s Disneyland, of course! So, the Keeping Up With the Kardashians matriarch threw on her polka-dotted Minnie Mouse onesie and matching ears (for real), grabbed the family and had a grand ol’ time at the Anaheim, Calif., theme park Wednesday!