The biggest names in politics and entertainment convene in the nation's capital this weekend for the White House Correspondents' Dinner, and we were on the ground to bring you all the action. On Saturday, we spotted Julia Louis-Dreyfus and Taylor Schilling making their way into the big event, and Lupita Nyong'o and Bellamy Young mingling at a popular brunch. Countless stars let loose at parties on Friday, including Scandal costars Scott Foley and Tony Goldwyn. Keep reading for our favorite Instagram moments of Hollywood in Washington. And don't forget to follow @POPSUGAR for more fun photos as the weekend continues.