I'm afraid that number's ex-directory <a href=" http://robin-stevens.co.uk/nexium-40-mg-capsule-prospect.pdf#lots ">is nexium otc safe</a> "Prism," released on Tuesday, is Perry's fourth studio album and the follow-up to 2010's phenomenally successful "Teenage Dream." It is also the first album since the 28-year-old singer split with her husband, British comedian Russell Brand, in December 2011.