Actress Olivia Wilde attends the 'Cowboys and Aliens' UK film premiere at the 02 Arena on August 11, 2011 in London, England.
(August 10, 2011 - Source: Ian Gavan/Getty Images Europe)
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Olivia Wilde looked fun and flirty at the 'Cowboys and Aliens' UK premiere in a black and white polka dot dress. She paired the look with long wavy tresses, teased at the crown and accessorized with a black headband.