Katy Perry Has Launched a Jewelry Line Make room in your jewelry box, Katy Perry has just launched a jewelry line. The exclusive jewelry line was done in collaboration with Twila True Fine Jewelry and gave fans a taste of Katy's vision. Katy's line includes charms, necklaces, bracelets, and more. If you want to grab a few things for your jewelry collection, it's on display at the Twila True Fine Jewelry Story in Newport Beach, CA. What are your top three celebrity lines? If you were a celebrity, what kind of line would you put out?