Watch Proud Dad Brian Williams Share Allison Williams' 'Peter Pan' News

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Brian Williams and Allison Williams attend the "Girls" Season Three premiere after party at Jazz at Lincoln Center on January 6, 2014 in New York City.  

Daddddd, you're embarrassing me (on TV!)

Brian Williams is many things: news anchor, part-time rapper, 30 Rock guest star and more. But at the end of the day, he's mostly just a proud dad.

During Wednesday's Nightly News broadcast, Williams shared the news that the casting for NBC's live version of Peter Pan had wrapped, and Allison Williams would portray Peter -- leaving out, of course, that the Girls star was his very own daughter. 

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With a straight face, Williams shared, "Family members confirm she's been rehearsing for this role since the age of three, and they look forward to seeing her fly." He then showed a photo of a preschool-aged Allison dressed as Peter Pan.

Check out the clip below: