Check out a new picture from KATY PERRY.

What's happening on Twitter. Check out a new picture from KATY PERRY. See it Justin Bieber said something. Read it See what Starbucks Coffee sees. See it Check out a new picture from Cameron. See it See what SportsCenter sees. See it UberFacts just shared a video. View now Settings  |  Help  |  Opt-out Twitter, Inc. 1355 Market Street, Suite 900 San Francisco, CA 94103