Looks like Kim took her weave out for this play date! As you can see with her barely-there bun! Perhaps Yeezy likes the natural look after Amber. Ha! Anyway, mommy-to-be Kourtney Kardashian and her son Mason hit the park with Kimmy yesterday and showed off that big ol’ bump. Baby number two (a little girl) is expected to arrive in a few months. Check out the pics from their outing below.