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One thing Natalie Portman's newborn son already has going for him: good genes.

The newly minted Oscar-winning actress has given birth to a baby boy, People magazine reports.

It's official: The girl who promised, "I'll be hot," as a young teen in the 1996 movie "Beautiful Girls" is all grown up.

SODAHEAD SLIDESHOW: See the hottest celebrity moms. 

And while the 30-year-old actress is off the market -- Portman is engaged to her baby's father, "Black Swan" choreographer Benjamin Millepied -- it's still hard not to be bowled over by her beauty.

From Portman to Jessica Alba to Kate Hudson, click through our slideshow and let us know: Who's the hottest celebrity mom?