Fierce Fashions: Ryan Reynolds, Sandra Bullock and More Gussy Up for 'The Change-Up' Premiere

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Sandra Bullock dropped jaws last night with a surprise appearance to 'The Proposal' co-star and long-time friend Ryan Reynolds' Los Angeles premiere of 'The Change-Up.' Take a look at the sexy red-carpet looks of Sandra, Ryan, Olivia Wilde, Leslie Mann and more!

Don't miss 'The Change-Up' when it hits theaters this Friday, August 5.