Former 'Bachelorette' Jillian Harris Is Engaged to Justin Pasutto!

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Congratulations are in order for former Bachelorette Jillian Harris and her new fiance, Justin Pasutto!

The TV personality -- who appeared as the first Canadian Bachelorette on season five of the ABC series and currently hosts Love It or List It Vancouver -- shared the happy news to Instagram on Sunday after Pasutto popped the question on Christmas morning!

“Well THAT was SOME Christmas morning!!!!!” Harris captioned a pic of her and her longtime love, along with the couple’s 4-month-old son Leo, in their Christmas pajamas. “OH MY GOD my heart cannot handle this much LOVE! @slipperygoose you've made me the HAPPIEST girl in the world. ??❤️ #Finally #ISimplyAskedForOneThingForChristmas.”

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Pasutto reposted the same pic, adding the caption, “Merry Christmas from the Pasutto's! ..... at least soon to be ? ❤️.”

The couple, who have been together for four years, welcomed Leo back in August with some more adorable Instagram photos.

“The last 48 hours have been the best of our lives,” Harris wrote on a sweet pic of their newborn baby boy. “Thank you @slipperygoose for giving me the greatest gift of all.”

See more from the happy family in the video below!

WATCH: 'Bachelorette' Star Jillian Harris Welcomes a Baby Boy!