Marroquin seemed equally excited as his bride-to-be when he subsequently tweeted their big news to his followers as well.
"I love my fiance [Kailyn]! Couldnt even dream about the way my life is turning out to be!" he wrote.
Lowry, a 20-year-old reality star who first appeared on 16 & Pregnant, has a two-year-old son named Isaac from a previous relationship. Her ex-boyfriend and father of Isaac, Jo Rivera, also appeared on 16 & Pregnant and Teen Mom 2.
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