Katy Perry shows off her “gurls” in some revealing rose-colored undies on the cover of the latest Rolling Stone. The pop star tells how she has reconciled her uptight Christian upbringing with her sexy videos—and her raunchy comic fiancé Russell Brand. “I am sensitive to Russell taking the Lord’s name in vain and to Lady Gaga putting a rosary in her mouth. I think when you put sex and spirituality in the same bottle and shake it up, bad things happen.” We’re happy that when Katy poses in lingerie, good things happen!