• Flag down Refinery29 and Buxom Cosmetics' Beauty on Wheels bus to get a complimentary makeover. Participants will have the chance to try Buxom's new Color Choreography eye shadow and will receive a free Buxom Lash Mascara. Washington Square Park, Broadway btw. E. 23rd St. and E. 22nd St.; Th (10–1); Madison Square Park, on University Place btw. Waverly Place and E. 8th St.; (2–7).*
• Celebrate the launch of Fab.com's first pop-up shop, and get a sneak peek at products from the Quinze & Milan Pilot collection before they're available online. FLOR, 142 Wooster St., nr. W. Houston St.; Th (11–7).*
• Get deals on dresses, shirts, and more at the Ali Ro sample sale. 530 Seventh Ave., nr. 39th St., fourteenth fl., (212-290-5306); W (noon–5); Th (9–5); F (9–3). Through 5/18.
• Merchandise is up to 80 percent off at the Miguelina sample sale. Colorful printed dresses are now $125 (originally $495), messenger bags are $44 (originally $140), and detailed tops are $90 (originally $350). 336 West 37th St., nr. Eighth Ave., Ste. 1080; daily (10–7). Through 5/18.
• Merchandise from Lenny Swimwear, Jenna Leigh Lingerie, and Lelo is 50 to 90 percent off at the Tuleste Market sample sale. 580 Broadway, nr. Prince St., tenth fl.; daily (9–7). Through 5/19.
• Find up to 65 percent off women's ready-to-wear at Theory, including leather, outerwear, dresses, tops, and pants. 261 W. 36th St. nr. Eighth Ave., second fl.; (212-947-8748); W (12–7), Th (11–8), F (11–7), Sa–Su (10–5). Through 5/20.
• You can also find up to 65 percent off men's ready-to-wear at Theory, including knits, outerwear, and sport coats, suits, and dress shirts. 139 Fifth Ave nr. 21st St., second fl.; (212-398-2777); daily 8–8. Through 5/18.
• Score 70 to 80 percent off men's denim, knits, pants, cardigans, accessories, and more at Gilded Age. 580 Broadway nr. Prince St., ninth fl.; (212-228-7747); W–F (10–7:30), Sa (10–4:30). Through 5/19.
* The Refinery29 and Buxom Cosmetics Beauty on Wheels bus and Fab.com's first pop-up shop both open Thursday.