It’s a wild world out there. Go be part of it.

DRESS
In Drag
What: Winter’s a Drag hosts a ball to benefit the City of Hope, featuring Martha Graham Cracker. Men: Dress in drag. Ladies: Dress fierce. Snazziest guy and gal win a prize.
Why: To see your man in your old prom dress.
When: Sat., 9 p.m.-2 a.m.
Where: Ballroom at XIX, Park Hyatt Bellevue, at Broad & Walnut Sts. (215-833-4165). Tickets online at ticketweb.com.

BUY (and DONATE)
Quirk Books
What: Ten percent off your entire order. Thirty percent of all sales benefit 826 Valencia.
Why: You always need a good book.
When: Now.
Where: Online at quirkbooks.com.

EAT
Brasserie Perrier
What: The old standard gets a menu update featuring authentic French brasserie fare by Chris Scarduzio.
Why: What’s old is new again. And très delicious.
When: Lunch, Mon.-Sat., 11:30 a.m.-4 p.m.; dinner, Mon.-Thurs., 5:30-11 p.m.; Fri., 5:30-10:30 p.m.; Sat., 5-9:30 p.m.
Where: 1619 Walnut St. (215-568-3000).

BUY
Rosy Naylor Millinery
What: Hatform by UK-based designer Rosy Naylor is the perfect way to go from winter to spring.
Why: They’re adorable.
When: Mon.-Fri., 9 a.m.-9 p.m.; Sat. & Sun., 10 a.m.-9 p.m.
Where: The Random Tea Room & Curiosity Shop, 713 N. Fourth St. (267-639-2442).

SEE
Fashion
What: South Moon Under holds an in-store party and fashion show with local celebritards and vodka.
Why: Hmm. Photographers will be there, and you love looking drunk?
When: Thurs., 7-9 p.m.
Where: 1731 Chestnut St. (215-563-2298).