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She's the star of "Veep" and a former "Seinfeld" star, but when it comes to NCAA March Madness, Julia Louis-Dreyfus is a mom first!

And when she watched her son Charlie's team, the Northwestern Wildcats, beat Vanderbilt University to score their first-ever NCAA tournament win Thursday, she was totally stoked:

When they finally call your name at the Chinese restaurant. #MarchMadness pic.twitter.com/eMhjjewMgG
— NCAA March Madness (@marchmadness) March 16, 2017

So much so that she's ready to do the Elaine dance!

We're going to the dance, boys! @NUMensBball making history! #proud #B1GCats #poundtherock #NCAA @marchmadness pic.twitter.com/TpuoqtvxRV
— Julia Louis-Dreyfus (@OfficialJLD) March 12, 2017

Our boy is caught up in #marchmadness @charlie_hall23 @NUMensBball #B1GCats #PoundTheRock #ItsTime #proud https://t.co/hL8LgsIOje
— Julia Louis-Dreyfus (@OfficialJLD) March 16, 2017

It may help that she and her husband of 29 years, Brad Hall, are alumni of Northwestern.

But we can't stop watching her "Oh, my God" reaction to learning of the win.

Louis-Dreyfus and Hall, who have another grown son, Henry, are longtime, fervent 'Cats supporters and sometimes share selfies from their seats:

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Northwestern mom Julia Louis-Dreyfus is totally caught up in March Madness — and it's amazing

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