Joan Rivers
Rivers died unexpectedly on 4 September, 2014 D Dipasupil/Getty Images

Celebrities around the world are wishing Merry Christmas to their fans. But, Joan Rivers' holiday wish from the grave has confused many. The late comedian started trending after she shared a Christmas greetings on 25 December to her 1.5 million followers on her official Twitter account.

River, who died in September 2014 at the age of 81, shared a picture of her standing next to a Christmas tree wearing a black dress and coat. Although the former Fashion Police host is no more her account is very much active. All the tweets from her account start with "From @MelRivers" prompting fans to assume that the late comedian's daughter Melissa Rivers is operating the account.

However, this particular Christmas wish the mystery of the tweet generated hilarious memes and one-liner. "To end 2016 Joan Rivers comes back from the dead to celebrate Christmas," one fan wrote. "I'll never forget Joan Rivers coming back from the dead to wish her twitter followers a merry Christmas," wrote another.

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One confused fan could not handle the tweet and wrote: "wait isn't Joan Rivers dead why did she tweet GOOD LORD."

The TV star was admitted to Yorkville Endoscopy on 28 August 2014, for a routine throat operation but she stopped breathing and suffered cardiac arrest during the procedure. She was then transferred to Mount Sinai Hospital where she died a week later.

Below are some funny memes in reaction to Rivers' tweet.