Ever wonder what filming the Hogsmeade scenes in Harry Potter was really like? It turns out, the magic wasn't all smooth sailing! Jamie Waylett, who played Crabbe, had an allergic reaction to the fake snow, leaving his face bright red—not from the cold! And Daniel Radcliffe's 'invisibility cloak'? It was just an ordinary green blanket! But the real magic came from director Alfonso Cuarón, who brought a fresh vibe and plenty of laughs to the set. No wonder Emma Watson says it was one of her favorite moments to film! What's your favorite winter scene from Harry Potter? Let us know!