VIDEO: Bruce Willis is a Meathead

Imitation is the sincerest form of flattery. So, Lady Gaga should be very flattered by Bruce Willis after he showed up to The Late Show With David Letterman with meat on his head.

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Bruce took the stage wearing a hat made out of meat, which was inspired by Gaga's meat dress, naturally.

"It's 100 percent ground beef sirloin," Bruce told David Letterman. "Top shelf, organic."

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"Have you eaten?" Bruce asked and being the good host that he is, David used a fork to take a bite!

Watch the clip below!

Bruce's new film, RED, hits theaters Oct. 15!