The 23-year-old, who starred with his family in TLC's reality show, Little People, Big World, is engaged to Audrey Mirabella Botti, he announced on Instagram.
"Jan. 16th, 2010 I met Audrey. Jan. 17th, 2010, I was in love. Aug. 15th, 2011 asked her out," Roloff writes to accompany a photo of the couple kissing on railroad tracks.
And the rest, as they say, is history.
"March 15, 2014 I asked this beautiful girl to be mine, and she said yes. Drowning in grace," he continues.
Courtesy Audrey Mirabella Botti
"The question: Audrey Mirabella Botti, will you marry me? The answer: YES!!!!!!," she captions a snapshot of her holding hands with her future husband.
"You're the one I want to team up with for life. Jeremy James Roloff, to say I love you is an understatement. I'M GETTING MARRIED!!!"
"This weekend I flew home to Oregon, and I had beautiful intentions. I asked Audrey to marry me," Roloff writes on his Facebook page.
"We have been SO overwhelmed by the response and are sincerely grateful and thankful for all your support and encouragement."
But while one marriage will soon begin, another Roloff relationship is on the rocks. On Wednesday, Jeremy's parents, Matt and Amy, announced they were separating after 26 years together.
"Though we have weathered many storms together, we recently made the tough decision to engage in a trial separation," they told PEOPLE exclusively.
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