WATCH: 'GMA' Hot List: Margot Robbie dishes on the upcoming Harley Quinn film

WATCH:  'GMA' Hot List: Margot Robbie dishes on the upcoming Harley Quinn film
Plus, a 9-year-old got his town in Colorado to lift a ban on snowball fights and Emma Bunton said her persona is now more "Mommy Spice" than "Baby Spice."