2012 White House Correspondents Dinner

President Barack Obama high-fives late-night comic Jimmy Kimmel as Caren Bohan, a Reuters journalist and president of the White House Correspondents' Association looks on during the White House Correspondents' Association Dinner, Saturday, April 28, 2012 in Washington.

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.

Television host Jimmy Kimmel (L) sits 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.

New Jersey Governor Chris Christie looks alongside actress Sofia Vergara 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.

Lindsay Lohan attends the White House Correspondents' Association Dinner headlined by late-night comic Jimmy Kimmel, Saturday, April 28, 2012, in Washington.

George Clooney, center, attends the White House Correspondents' Association Dinner headlined by late-night comic Jimmy Kimmel, Saturday, April 28, 2012, in Washington.

Kris Jenner, left, with Sofia Vergara, center, and Kim Kardashian during the White House Correspondents' Association Dinner headlined by late-night comic Jimmy Kimmel, Saturday, April 28, 2012 in Washington.

Secretary of Defense Leon Panetta attends the White House Correspondents' Association Dinner headlined by late-night comic Jimmy Kimmel, Saturday, April 28, 2012, in Washington.