"Summertime! Summertime, people!" Sure, Bruce Willis. We can blame this on it being summertime.

The actor hit 'The Late Show' last night to ... honestly, we don't even know, but eventually it devolved into Willis eating corn on the cob harmonica-style and getting absolutely covered in melted butter. It seems that Willis is a huge fan of corn -- can't get enough of it! -- and he was eager to share some corn-centric life hacks with host David Letterman.

How can you eat corn on the cob without using your hands? What if you need a better butter delivery system? How can you double up on your corn intake? Bruce Willis has the answers, and more -- so much more.

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