921 Fulton St between Clinton and Waverly Aves, Clinton Hill, Brooklyn. Subway: C, G to Clinton–Washington Aves. Score new and gently used threads inside Paper Doll Boutique and Beauty Bar, with 20 percent of sales benefiting the Entertainment Industry Foundation (eifoundation.org) and its efforts to raise money for health, educational and social concerns throughout the country. Sip gratis drinks provided by the Wine Spot, and munch on treats from ICandy Cake Designs and Feisty Flavors Catering. Look for Rachel Rachel Roy strappy heels marked $20 (retail $109); an Erin Fetherston zebra-print dress, lowered from $345 to $45; and a Marc Jacobs one-shoulder frock tagged $25 (usually $228). Get there early: The first 50 attendees receive a gift bag (worth $65) full of beauty products.