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Williams just recently celebrated his 10-year anniversary behind the "Nightly News" desk, and he's still just as awesome as he was on Day One.

And the anchor even poked fun at Jimmy Fallon for his lack of tenure at "The Tonight Show," saying that nobody counts his time behind the desk at "Late Night."

Not only that, but Brian also did an adorable plug for his daughter Allison Williams’ role on the upcoming "Peter Pan Live!" special at 8 p.m. Dec. 4 on NBC. What a dad move.