White House correspondents' dinner - in pictures

TV personality Piers Morgan and actor Gerard Butler arrive on the red carpet Photograph: Jonathan Ernst/Reuters

Claire Danes attends the dinner Photograph: Kevin Lamarque/Reuters

Steven Spielberg takes a picture during the gathering Photograph: Brendan Smialowski/AFP/Getty Images

Actor Dan Stevens arrives on the red carpet Photograph: Jonathan Ernst/Reuters

Singer Katy Perry poses for photographers on the red carpet Photograph: Jonathan Ernst/Reuters

Singer Jon Bon Jovi and Arianna Huffington arrive Photograph: Chris Kleponis/AFP/Getty Images

South Korean rapper Psy waves on the red carpet Photograph: Jonathan Ernst/Reuters

Anna Wintour, editor-in-chief of American Vogue, arrives Photograph: Jonathan Ernst/Reuters

New York mayor Michael Bloomberg talks with Barbra Streisand Photograph: Pete Marovich/Corbis

Comedian Conan O'Brien speaks Photograph: Kevin Lamarque/Reuters

President Barack Obama laughs at a joke told by comedian Conan O'Brien Photograph: Pete Marovich/Getty Images

Comedian Conan O'Brien smashes a gavel as he speaks Photograph: Kevin Lamarque/Reuters

The First Lady Michelle Obama laughs at a joke Photograph: Pete Marovich/Getty Images

Actor Kevin Spacey laughs during the dinner Photograph: Kevin Lamarque/Reuters

President Barack Obama gives a speech Photograph: Carolyn Kaster/AP

President Barack Obama pokes fun at his wife's hair Photograph: -