One source claims the 18-year-old was actually bullied for being there -- apparently not everyone thought she earned the right to walk the shows!
The insider spilled:
Reese Witherspoon strapped herself in for tonight's White House Correspondents' Dinner.
The mommy-to-be was positively glowing on the red carpet in a black Monique Lhuillier gown that showed off her little bun in the oven.
Reese finished off her politically pregnant ensemble with beautiful emerald and turquoise earrings and a glamorous Old Hollywood hairstyle.
[Image via Getty Images.]