We are still reeling from the shocking and saddening death of actress Catherine O'Hara. The Home Alone alum passed days ago, as we've been reporting. And in the meantime, celebs from all across Hollywood and around the world have been coming out of the woodwork to share their tributes, reactions, and mourning. Related: How Catherine O'Hara's Family Plans To Honor Her Following Her Heartbreaking Death Now, you can add Home Alone director Chris Columbus to that list. Over the weekend, the Pennsylvania-born filmmaker offered up a touching memorial to O'Hara following her passing.