MARY POPPINS RETURNS: Behind-the-Scenes Footage of Bathtub Scene Is Blowing Minds [VIDEO]

Just when you thought Mary Poppins couldn’t get any more magical, Disney blows your mind once again.

There’s a scene in the movie where Mary goes sliding backwards and disappears into a bathtub brimming full of bubbles. Many fans assumed the trick to be made with CGI or some other type of special effect, but As it turns out, the bubbles were all actually there, and Blunt herself “really did” do the stunt.