Dude knows what's up.

In today's Tweet Beat, Katy Perry real talks about Thin Mints, Michelle Williams is not the Illuminati and Metta World Peace has us reconsidering how we take photos.

In today's Tweet Beat, Diane Keaton went on a streak of male appreciation, Lindsay Lohan "flaked" on Bret Easton Ellis and Metta World Peace was full of so much fascinating information, it was hard to decide which was the most enlightening.