Lady Tremaine's power isn't so much supernatural as a normal, everyday, human condition. She may not be able to turn herself into a dragon, crone, or leviathan , but, girl, is she wicked in herself. Her power lies in her passive aggression and psychological cruelty, which she uses to secure wealthy sons-in-law for her daughters. So imagine the consequences if she does get super powers. Let's just say everybody would be tripping themselves. (She ultimately got them in 2007's Cinderella III: A Twist in Time.) Whether it's the original 1950 movie or the 2015 live-action remake, Disney's Cinderella has everyone rooting for the titular underdog and all her mouse friends because Lady Tremaine, simply put, is a rat. Then there's the mending and the sewing. Let's get to the costume guide. How to make a Lady Tremaine costume Madame Tremaine cuts a matronly figure in a mid-to-late 19th-century dress with a full skirt, probably with a crinoline or bustle. If you...