Allison Williams
has a sweet new gig!

The "Girls" star will play Peter Pan in NBC's new live musical, "Peter Pan."

"Dreams do come true! #Girls star Allison Williams will play Peter Pan in #PeterPanLive!” the NBC tweeted on Wednesday.

The 28-year-old beauty will star alongside Christopher Walken who will be playing the fairy tale's villain, Captain Hook.

We can't wait to see who else will be joining the musical -- are you excited that Marnie will be playing Peter?

Tell toofab in the comment section below and click "Launch Gallery" above to see even more of Hollywood's best dressed stars!

"Peter Pan" will air live on NBC December 4.

Costar Lena Dunham just shared her congratulations on Twitter:  

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