Twitter has been giving celebrities a platform to air their opinions and what they ate for breakfast since 2006, and boy have they. It's also given them a place to interact with other celebs and share their grievances with one another.

This of course has inevitably led to a new form of communication: The Twitter slapfight, in which stars duel over the internet in 140 characters or less (often to the amusement of millions of onlookers).

Misunderstandings, bunched panties, entitlement issues and more -- we saw it all. So for your year-end reading pleasure, we present the best Twitter feuds of 2012.