What do Evan Rachel Wood, Lady Gaga, Blake Lively, and Eva Mendes have in common? Bangin' bods and crazy figure-flattering wardrobes to match. In fact, we love their slim silhouetted power dresses so much, we decided to find out who was behind them (their design, that is). The culprit? Black Halo. From structured pencil dresses to body-hugging minis, designer Laurel Berman's femme-friendly collection is the perfect way to play up your curves and stay classy — think: modern-day Joan Holloway. Shop it all on Reserve now, and nab up to half-off…just don’t blame us for the catcalls.