The tongue-in-cheek snap was uploaded late Tuesday evening, and features Mayer, 35, giving his best smile as he poses as Jolly Old St. Nick.
“Santa Baby,” the caption appropriately reads.
The newly minted couple, who have been dating for about a couple of months now, reportedly spent the holidays with Perry’s family in Santa Barbara, Calif., according to sources.
They also spent Christmas Eve donating time to The Dream Foundation, an organization that grants wishes to terminally ill children.
The foundation later thanked the couple for their visit on Twitter, expressing “gratitude to @KatyPerry @JohnMayer & Hudsons for rolling up their sleeves & serving our dream families.”
See the photo of John as Santa, above.
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