Sandra Bullock's rapper skills weren't just for show in The Proposal.

The Oscar-winning actress showed off her stuff on The Jonathan Ross Show on Saturday, rapping to Sugarhill Gang's "Rapper's Delight." The Gravity star admits she learned the words to the rap back in high school because she thought it would help her land a guy she had a crush on.

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In The Proposal, Bullock and co-star Ryan Reynolds rapped to Rob Base and DJ E Z Rock's "It Takes Two," which you can check out here.

Watch Bullock do "Rapper's Delight" below:

View original VIDEO: Sandra Bullock Raps "Rapper's Delight" at TVGuide.com

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