Pope Francis joins Instagram, shares 1st photo as @franciscus

Pope Francis is on Instagram!

The pontiff, 79, joined the social media platform Saturday under the username @franciscus, and shared a photo of himself praying while kneeling. The caption: "pray for me" (which the pope shared in nine different languages).

On Twitter, the pope said that he is: "beginning a new journey, on Instagram, to walk with you along the path of mercy and the tenderness of God."

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Instagram CEO and co-founder Kevin Systrom was on site and also documented the moment.

"Watching Pope Francis post his first photo to Instagram today was an incredible moment," he captioned a photo of himself.

Instagram reported Saturday that in less than 12 hours, Pope Francis amassed more than 1 million followers, which set records on Instagram for the most followers in a single day and also the fastest-growing account ever on the platform.

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The pope's move comes three years after he joined Twitter, where he now has 25 million followers in nine different languages. The pope's Twitter handle, @pontifex, was launched by Pope Benedict in 2012. Pope Francis took the handle over when he took office in 2013.