Wearing lingerie, much like dressing up as Sherlock Holmes and making yourself smell like a PlayStation, is an integral part of the seduction process. Take a step toward sexy with today's Groupon: for $25, you get $50 worth of designer lingerie from InTheMoodIntimates.com.

Inside InTheMoodIntimates.com's online boutique, browsers virtually window shop for sultry and scintillating undergarments from top brands such as Spanx, Jezebel, and Fashion Essentials. Jezebel's Caress strapless bra hides in the folds of plunging necklines and deep-cut tops, accentuating the body's curves with seamless stitching and a U-shaped front wire ($30). The Spanx super high shaping sheers sculpt bodies into eye-popping figures, and with seven different skin tones and colors, will meld beneath any curve-clinging dress or college-mascot outfit ($28). Other alluring, stylish undergarments include the Seduction garter belt ($17) and bra-concealing Hide-A-Strap ($4.99). The site’s vast panty collection lets shoppers rifle through the biggest hypothetical underwear drawer in history, with selections ranging from conservative hip huggers to revealing thongs ($4–$56). Should underwear misbehave or not fit well, it can be returned with tags intact for disciplining or a full refund, and shipping is free with purchases totaling $70 or more.