Good girl, no more! Dig out your once-forgotten black leotard and throw it on under a pair of leather skinnies to exude Sandy Olsen, after that slinky transformation.
1. Chanel lipstick, $34, at Chanel.
2. Isabel Marant suede and leather pants, $2,400, at Net-A-Porter.
3. Lana Jewelry hoop earrings, $525, at Farfetch.
4. Nasty Gal bodysuit, $38, at Nasty Gal.
5. Charlotte Olympia platform pumps, $795, at SSENSE.