Did Jessica Simpson find the dress version of her Mom Jeans?

jessica-simpson-gabby-sidibe-2.jpg Jessica Simpson has a new role model: Michelle Obama.

"She's such an incredible woman, and she's with such a powerful man," Simpson tells People, sounding just a wee bit envious.

Meanwhile, Jess rubbed shoulders -- and another body part that will go unmentioned -- at the Time Inc. pre-party for the annual star-studded White House Correspondents Dinner ( attended by Joe Jonas and Justin Bieber) with Oscar-nominated "Precious" star Gabourey Sidibe.

The theme of the night -- at least for the two of them -- seemed to be primary colors.