Celebrity Twitter Chatter: Justin Bieber, Coco, Robert Downey Jr and More

Justin's Mug Shot
Justin Bieber is all smiles for this very permanent photo.
We’ve rounded up some of the best and most insightful celebrity tweets from the past 24 hours.

Justin Bieber’s new hat, Coco swims with turtles, Robert Downey Jr throws it back, plus more fascinating celeb twitter posts and words of wisdom below.