From The Wizard of Oz, This Adult Sized Glinda the Good Witch Costume Includes Dress & Tiara. Turn Your Costume Party into the Emerald City with This Shimmering Show-Stopper! Shine Your Brightest with a Look That's Fit for a Queen (Of Witches, That Is). You'll be sure to stand out without casting a single spell, and you’ll look positively magical at the same time! Soar through the clouds and make a fashion statement that's sure to bewitch everyone who catches your gaze.