From a toothless Demi to a topless Lindsay, take a look at the year's funniest, silliest – and nakedest! – Twitter pics!
Credit: Courtesy Cassie
Updated: Tuesday Nov 24, 2009 | 06:00 AM EST
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The singer took fans by surprise when she posted her half-shaved head on Twitter in April. Although many hated the look, Cassie Tweeted that it is "something that will shock your mother, but make her call you a ROCK STAR ... yeah I did it."
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