Lynch and John Leguizamo are appearing alongside previously announced presenters Jimmy Kimmel, Kristin Chenoweth and Sean Hayes at tonight's gala.

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The Mark Twain Prize is among the highest honours in American comedy, having previously been won by Tina Fey, Will Ferrell and Steve Martin.
DeGeneres's all-star tribute is being held at the John F Kennedy Centre for the Performing Arts in Washington DC.
Edited highlights from the 2012 Mark Twain Prize gala will air on PBS on October 30.
DeGeneres has won more than a dozen Daytime Emmy Awards for her talkshow as well as seven People's Choice prizes.










