It's a Christmas miracle! Kourtney Kardashian and Scott Disick are back together for the holidays — and spending it in the snow with their three kids.

Scott, 33, shared a photo of himself sledding with Mason, 6, Penelope, 4, and Reign, who turns two next week, and the reality star looked happier than ever.

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"Fast times," he captioned the sweet family moment.

Kourtney, 36, was also on hand to enjoy the California winter wonderland, posting a photo with her youngest son to Instagram.

MORE: Kourtney Kardashian Would Love to Have Another Baby With Scott Disick!

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Last month, Life & Style exclusively revealed that the on-again, off-again couple had reconciled and moved back in together.

"Kourtney never stopped loving him, and they both feel they make great babies together," the source said. "Having another child with Scott will be a dream come true."

For a look at the duo's cutest moments, check out the gallery below!