Who Looked Sexier at The Change-Up Premiere: Sandra Bullock or Olivia Wilde?

Sandra Bullock surprised her BFF Ryan Reynolds at the premiere of his comedy, The Change-Up, on Monday night in Los Angeles.

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The actress, 47, showed up in a chic black strapless Lanvin jumpsuit with strappy black sandals, gold hoop earrings and a stack of gold bracelets. She was all smiles, posing for pics with Reynolds, her co-star in the 2009 flick The Proposal.

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Not to be outshined, Olivia Wilde, 27, also wowed on the red carpet in a fiery Antonio Berardi structured sheath dress, which she accessorized with Brian Atwood heels and Wilfredo Rosado jewels. She stars in the new movie alongside Leslie Mann and Jason Bateman.