Inquisitive and analytical, they've got a thirst for knowledge that leads them to constantly strive for self-improvement. Pick a famous overachiever as your costume inspiration this year.

Gemini: The life of the party needs a playful twist. Gemini, go for a quirky dual-themed costume like "angel and devil." ...

Scorpio: Mysterious and magnetic, Scorpio owns the room as a seductive vampire or dark sorcerer.