In the January issue of Marie Claire singer-songwriter Katy Perry discuses preparing for her upcoming worldwide tour for her current album Prism, her goal to stay “truthful and honest” with her work, ex-husband Russell Brand and her song “By the Grace of God” (inspired by their break-up), her relationship with her parents, her religious beliefs, her new health regimen, reconnecting with John Mayer, her bucket list, and some of her previous bonus excursions while on tour.
