Who Tweeted?: The Justin Bieber Edition! (PHOTOS)

This week was truly owned by little Justin Bieber, who showed up on virtually every talk show, ruled Twitter (per usual), and dropped his amazing new album My World 2.0. Everyone seems to be jumping on the Baby Biebs wagon, and why shouldn’t they?

Because many celebrities tweeted about our favorite 16-year-old, we decided to dedicate this week’s edition of “Who Tweeted” solely to lil ol’ Biebs. Have your go at this week’s edition of “Who Tweeted” and see how many you can guess correctly!