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More than 40 celebrities attended Rivers' funeral at Temple Emanu-El in New York City.
Howard Stern delivered the eulogy during the memorial service, followed by Tony Award winner Audra McDonald singing "Smile" and the New York City Gay Men's Chorus singing a string of Broadway hits.
According to the Associated Press, three of Rivers' famous lines were printed on the funeral program: "Can we talk?" "Who are you wearing?" and "Because I'm a funny person."
Mourners exited the synagogue behind bagpipers who performed "New York, New York" and "Give My Regards to Broadway."
Joan's daughter, Melissa, and grandson, Cooper, led the procession to the awaiting cars.
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Howard Stern, who gave the eulogy, attended with wife Beth Stern.
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Bravo's Andy Cohen.
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Dr. Oz and wife Lisa Oz. Kris Connor/Getty Images AP Photo/Craig Ruttle Kris Connor/Getty Images D Dipasupil/Getty Images Taylor Hill/Getty Images Taylor Hill/Getty Images
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Rivers died Thursday at age 81 after complications from routine surgery on her vocal chords.