Tuesday brought the devastating news that beloved screenwriter, essayist, novelist and reporter Nora Ephron died at age 71, due to complications from myelodysplasia, a blood disorder she was diagnosed with six years ago.The Oscar-nominated filmmaker, known for hits such as "When Harry Met Sally..." and "Sleepless in Seattle," leaves behind legions of famous friends and fans, who've already begun to eulogize her.Launch the gallery below to see celebrity reactions on Twitter:Read More... More on Video