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Total touchdown for Tony Romo's wife Candice Crawford!

A day after giving a sneak peek of her post-baby body at a casual reception in Washington, DC on Friday, the former beauty queen and Texas TV personality, 25, made her jaw-dropping evening wear debut at the White House Correspondents Association Dinner held at the Washington Hilton.

Just three weeks after she give birth to son Hawkins Crawford Romo, the blonde beauty was slim and stunning in a white, sequined, figure-hugging gown with Dallas Cowboys quarterback Romo, 31, beaming in a tux at her side.

Born April 9, Hawkins weighed in at 8 lbs. 8 oz. -- and a kickoff party hosted by Google and The Hollywood Reporter on Friday in DC, the proud new parents couldn't help but share pix of their little one to celeb pals like Gayle King, Matthew Morrison and others.

Romo (whose ex-girlfriend Jessica Simpson is still awaiting the birth of her daughter with fiance Eric Johnson) was overheard boasting he's gotten "good at the diaper thing." Candice's brother, Gossip Girl's Chace Crawford, was also on hand for the birth of his nephew.