As celebs including Jessica Simpson, Alec Baldwin and Jessica Alba converged in Washington D.C. Saturday night to hear President Obama show off his comedic skills at the annual White House Correspondents' Dinner, one highly politicized star was notably absent. Angelina Jolie, who recently returned from a trip to Bosnia where she met with displaced victims of the civil war there, was invited to the party but chose to skip it.Angelina Jolie turns down Obama's dinner invitationWonderwall, May 3, 2010 Related: News, Angelina Jolie By Jennifer Odell As celebs including Jessica Simpson, Alec Baldwin and Jessica Alba converged in Washington D.C....