Attention ghouls & boos, are you feeling festive? Show us your most BOO-tiful #Halloween makeup look for a chance to win a #SigmaPink Prize Pack! To enter: 1. Follow @sigmabeauty. 2. Tag @sigmabeauty in your post. 3. Use the hashtag #SigmaHalloween. **Initial entry period is October 13th-22nd. Top 6 finalists will be announced on October 23rd for final voting. Open internationally.