Hillary ClintonHillary Diane Rodham ClintonClinton campaign chief: Mueller report 'lays out a devastating case' against Trump Hillicon Valley: Cyber, tech takeaways from Mueller report | Millions of Instagram passwords exposed internally by Facebook | DHS unrolling facial recognition tech in airports | Uber unveils new safety measures after student's killing Heavily redacted Mueller report leaves major questions unanswered MORE on Tuesday wished her Twitter followers a merry Christmas with a holiday greeting that included a decades-old image of her family's time in the White House.

In a tweet, the former secretary of State and first lady shared an image of herself, former President Clinton and their daughter Chelsea Clinton enjoying Christmas in the White House.

It wasn't immediately clear what year the photo was taken, as the Clintons held Christmas celebrations in the White House every year from 1993 to 2000.

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"Merry Christmas to everyone celebrating today!" Hillary Clinton, who was the Democratic Party's 2016 nominee for president, wrote on Twitter.

Clinton has not ruled out a 2020 run against President TrumpDonald John TrumpButtigieg on Mueller report: 'Politically, I'm not sure it will change much' Sarah Sanders addresses false statements detailed in Mueller report: 'A slip of the tongue' Trump to visit Japan in May to meet with Abe, new emperor MORE, and told Recode's Kara Swisher in October that she still would like to be president, though she has shown disdain for the idea of running a campaign.

"The work would be work that I feel very well-prepared for having been in the Senate for eight years, having been a diplomat in the State Department," she added of the work to be done after a Democrat "hopefully" ousts Trump in 2020.

Other Clinton advisers told The Hill in October that the former secretary is unlikely to mount a third presidential bid.

“She’s not running. I think it would be pretty damn clear if she was," one confidant said at the time.