Justin Bieber shares naked butt on Instagram, teens rightfully melt down

What better way to start your day than with a healthy dose of Bieber butt? The Biebs left Instagram feeling mighty thirsty late Monday night when he shared an image of him hanging loose on vacation See also: 11 Secrets We Learned About Celebrities From Instagram Look A photo posted by Justin Bieber ... http://ift.tt/1UvZ174