Watch: Brian Williams raps "Gin and Juice"

When Snoop Dogg first released "Gin and Juice" in 1994, he surely didn't expect Brian Williams to be rapping it 20 years later on NBC's "Nightly News."

Thanks to "The Tonight Show with Jimmy Fallon," the 54-year-old anchor did just that, as his broadcasts were pieced together in a such a way that he was rapping the hit single.

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After the performance, Williams dropped by to comment on the video, telling Fallon, "I'm downstairs, I'm doing the ['Nightly News'] broadcast that pays for your 'hobby,' and people think I have somehow colluded into the making of these videos. Let's be clear-- I've never said 'hippity.'"