Expensive Lingerie — If you've only lived in bras and panties hardy enough to withstand the spin cycle, it's time to branch out. Splurge on at least one pair of underthings that'll make you feel like Sophia Loren.

La Fee Verte Silk and Mesh Bralette, $66, available at Journelle; La Fee Verte Silk and Mesh Shortie, $48, available at Journelle.