White House Correspondents' Dinner 2013

First lady Michelle Obama, right, and late-night television host Conan O'Brien attend the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

President Barack Obama ackowledges late-night television host and comedian Conan O'Brien during the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

Actor Hugh Dancy, left, his wife, actress Claire Danes from the Washington-based Showtime series "Homeland", and journalist Bob Schieffer attend the White House Correspondents' Dinner at the Washington Hilton on Saturday April 27, 2013 in Washington. (Photo by Evan Agostini/Invision/AP)

Michael Douglas poses for a photo during the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

Actor Patrick Stewart, left, attends the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

Singer John Legend and model Chrissy Teigen attend the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

WASHINGTON, DC - APRIL 27: Commentator Bill O'Reilly talks with Supreme Court Justice Antonin Scalia during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

Singer and actress Barbra Streisand, left, and New York Mayor Michael Bloomberg attend the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

US Supreme Court Associate Justice Antonin Scalia poses for a photo during the White House Correspondents? Association Dinner April 27, 2013 in Washington, DC. Obama attended the yearly dinner which is attended by journalists, celebrities and politicians. AFP PHOTO/Brendan SMIALOWSKI

WASHINGTON, DC - APRIL 27: Comedian Conan O'Brien delivers a comedy routine during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

Actor James Brolin laughs during the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

WASHINGTON, DC - APRIL 27: Actress Julia Louis-Dreyfus looks on during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

Producer George Lucas attends the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

Former Speaker of The House of Representative Newt Gingrich and his wife Calista Gingrich speak to the media upon arriving at the annual White House Correspondents' Association dinner in Washington DC, April 27, 2013. AFP Photo/ Chris KLEPONIS

WASHINGTON, DC - APRIL 27: Director Steven Spielberg prepares to take his seat at the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

Actors Matthew Perry, left, and Bradley Whitford attend the White House Correspondents' Dinner at the Washington Hilton on Saturday April 27, 2013 in Washington. (Photo by Evan Agostini/Invision/AP)

First lady Michelle Obama laughs as she sits next to late-night television host and comedian Conan O'Brien, left, during the White House Correspondents' Association Dinner at the Washington Hilton Hotel, Saturday, April 27, 2013, in Washington. (AP Photo/Carolyn Kaster)

WASHINGTON, DC - APRIL 27: Actor Kevin Spacey looks on during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

WASHINGTON, DC - APRIL 27: First lady Michelle Obama reacts to a joke told by comedian Conan O'Brien during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

WASHINGTON, DC - APRIL 27: Comedian Conan O'Brien delivers a comedy routine during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

Actress Claire Danes mingles with guests during the White House Correspondents? Association Dinner April 27, 2013 in Washington, DC. Obama attended the yearly dinner which is attended by journalists, celebrities and politicians. AFP PHOTO/Brendan SMIALOWSKI

WASHINGTON, DC - APRIL 27: U.S. President Barack Obama reacts to a joke told by comedian Conan O'Brien during the White House Correspondents' Association Dinner on April 27, 2013 in Washington, DC. The dinner is an annual event attended by journalists, politicians and celebrities. (Photo by Pete Marovich-Pool/Getty Images)

US first lady Michelle Obama speaks with Comedian Conan O'Brien during the White House Correspondents? Association Dinner April 27, 2013 in Washington, DC. Obama attended the yearly dinner which is attended by journalists, celebrities and politicians. AFP PHOTO/Brendan SMIALOWSKI