The 90210 star channels Avatar while filming her show in L.A. Plus: Cameron Diaz, Betty White, David Beckham and more
Published: Tuesday Jan 11, 2011 | 05:00 PM EST
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You must be this tall to appear on the Late Show with David Letterman! Nicole "Snooki" Polizzi must measure up as she makes her arrival outside the late-night talk show's N.Y.C. studio on Monday.
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