9. Fergie – A Toddler in a Tiara
Oh dear. On the one hand, this costume is a little bit mean. On the other hand, though… let’s just say that we’re laughing out loud. Literally.
10. Zachary Quinto – Fireworks on the 4th of July
Zach Quinto gets the award for Best Last-Minute Costumed. According to his Twitter: “Wasn’t going out as of ten minutes ago. A little proud of what I threw together.” We’re impressed — doubly so if he actually had that pair of pants in his wardrobe already!
11. Kate Beckinsale – The Bride of Frankenstein
No one knows how to pull off a classic quite like Kate Beckinsale!
Up next: Katy Perry’s surprising costume choice and more!