Kennedy Center 2012 Honorees gather for a group photo (seated L-R) Blues legend Buddy Guy, Ballerina Natalia Makarova, actor Dustin Hoffman, (standing L-R) rock band Led Zeppelin members John Paul Jones, Jimmy Page and Robert Plant and late night TV host David Letterman, at the U.S. State Department after a gala dinner for the Honorees, in Washington DC, December 1, 2012. REUTERS/Mike Theiler (UNITED STATES - Tags: PROFILE ENTERTAINMENT)