Television host Jimmy Kimmel (L) alongside First Lady Michelle Obama (R) during the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

Actress Lindsay Lohan arrives at the annual White House Correspondents' Association dinner in Washington on April 27, 2012. AFP PHOTO/Nicholas KAMM

US actress Goldie Hawn and British journalist Piers Morgan arrive at the annual White House Correspondents' Association dinner in Washington on April 27, 2012. AFP PHOTO/Nicholas KAMM

US President Barack Obama (2nd R) stands alongside Caren Bohan (R) of Reuters, President of the White House Correspondents Association, Reuters Editor in Chief Steve Adler (C), Time's Michael Scherer, and First Lady Michelle Obama (L), during the National Anthem at the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

Television host Jimmy Kimmel (L) alongside First Lady Michelle Obama (R) during the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

US actress Eva Longoria arrives at the annual White House Correspondents' Association dinner in Washington on April 27, 2012. AFP PHOTO/Nicholas KAMM

US actress Reese Witherspoon arrives at the annual White House Correspondents' Association dinner in Washington on April 27, 2012. AFP PHOTO/Nicholas KAMM

US actress Reese Witherspoon arrives at the annual White House Correspondents' Association dinner in Washington on April 27, 2012. AFP PHOTO/Nicholas KAMM

Actress Rosario Dawson arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US actress Kate Hudson arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

South African actress Charlize Theron arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US actress Zooey Deschanel arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US socialite Kim Kardashian arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US actress Lindsay Lohan arrive at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US actress Lindsay Lohan arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

Australian model, avctress and businesswoiman Elle MacPherson arrives at the annual White House Correspondents' Association dinner in Washington on April 28, 2012. AFP PHOTO/Nicholas KAMM

US President Barack Obama attends the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together US President Barack Obama, Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

Secretary of Health and Human Services Kathleen Sebelius (front-L) attends the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together US President Barack Obama, Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

US President Barack Obama high-fives television host Jimmy Kimmel (R) alongside Caren Bohan (C) of Reuters, President of the White House Correspondents Association during the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together US President Barack Obama, Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB

US President Barack Obama winks as he tells a joke about his place of birth during the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together US President Barack Obama, Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB