Duff, 36, and her husband, 36, wore matching black-and-white onesies as they dressed ... side as she celebrated her third Halloween. In both of the photos shared by the How I Met Your Father ...

Vanessa Hudgens and musician GG Magree coordinated Halloween costumes as Natalie Portman's white and black swan ... captioned her own photo set, "Swan Queens 🦢🩸." Never miss a story ...