Will Smith performed a snippet of his old school hip hop hit "Summertime" on The Late Show With David Letterman Monday night, and it was awesome.

Turning up to promote his new film After Earth, Smith strolled out to the funky song, which Paul Schaffer and the CBS Orchestra played as his intro.

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David Letterman Biography

David Letterman Photograph David Letterman hosts our favorite late-night talk show. His top 10 lists are always good for a laugh. In the summer of 2009, he got into... More »
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David Letterman