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US actor and executive producer Bill Murray gestures, prior to receiving an award for his contribution to acting, during the 15th Marrakech International Film Festival in Marrakech, Morocco, Friday, Dec. 4, 2015. The festival runs from Dec. 4-12. (AP Photo/Abdeljalil Bounhar) Image Credit: AP

Emma Stone and Jane Curtin are late additions to the line-up of performers who’ll celebrate Bill Murray when he receives the nation’s top prize for humor.

The Kennedy Center announced on Tuesday that Stone and Curtin will take the stage in honour of Murray on Sunday night. Murray is this year’s recipient of the Mark Twain Prize for American Humor.

Curtin performed alongside Murray on Saturday Night Live. Stone co-starred with him in the little-seen movie Aloha.

Also new to the line-up are musician Rhiannon Giddens and Ivan Reitman, who directed Murray in Ghostbusters. Murray’s co-star in that movie, Dan Aykroyd, has dropped out of the event. The Kennedy Center says he has a scheduling conflict.

Previously announced performers include David Letterman, Sigourney Weaver and Aziz Ansari.