Anna Faris' Dress: X Marks The Spot (PHOTOS)

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Anna Faris attended the premiere of "Observe and Report" in Los Angeles on Monday night.

Faris flaunted her tan with a black dress with bejeweled bunches down the front.

"Observe and Report" is about a mall security guard (Seth Rogen) called into action to catch a flasher who has been terrorizing the shoppers and opens Friday.

PHOTOS: