Best. Costume. Ever. Ian Somerhalder (Damon), our favorite blue-eyed Vampire Diaries hottie, was too sick to go to New Orleans in 2010 for Halloween. However, his sense of humor remained sharp as ever. "HAPPY HALLOWEEN!" he tweeted. "Despite that I was sick, I dressed up as 'Paul Wesley' [Stefan Salvatore] at a TVD party. It was genius, pictures forthcoming..."

He later tweeted an update, "Early morning on set. Paul Wesley is here, It's always strange to hang out with the monster you dressed as for Halloween..." So who's cuter: Paul Wesley, or Ian Somerhalder dressed up as Paul Wesley?

Source: Twitter

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