News flash: Lady Gaga and Rihanna can sell magazines. Their covers appear to be part of the reason that for the first half of this year the only major U.S. fashion magazine with increased sales compared with last year was Vogue, which saw a jump of 12.7% for an average monthly circulation of 360,400. InStyle has a larger circulation (570,000), but dropped 8% compared with last year. Other women's fashion mags experienced an average decrease of 9.2 %, except for Allure, which remained flat.