We're kicking off our Best of 2010 coverage with a topic that's close to our hearts — Twitter! In 2010, it seemed that Twitter usage hit a fever pitch, especially among celebrities. Although some stars may have revealed too much on their personal accounts or slipped up along the way, these eight celebs kept us entertained, retweeted great links, and let us in on what was going on in their everyday lives. It's hard to choose one, but tell me — who is your favorite Twitter-obsessed celebrity of 2010?
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