Teen Mom 2

'Teen Mom 2' star Kailyn Lowry is engaged

Sep. 17, 2012 at 12:36 PM ET

MTV /

Congratulations to Kailyn Lowry! The "Teen Mom 2" star is engaged to Javi Marroquin, she announced Saturday on Twitter.

"Thank you all for being so supportive! No concrete wedding plans yet, but hopefully in the near future," the 20-year-old MTV reality star wrote.

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Of course, inevitably, not everyone was supportive of Kailyn and Javi's good news, but the bride-to-be didn't care. "I won't let haters take away our happiness on this one!" she tweeted. Javi also got in on the good news on Twitter, tweeting out his excitement and devotion.

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"I love my fiance @KailLowry! Couldnt even dream about the way my life is turning out to be!"

Kailyn, who first appeared on "16 & Pregnant," has a 2-year-old son named Isaac with ex-boyfriend Jo Rivera. One Twitter user asked Kailyn what Jo thinks of her engagement. She replied, "He understands that I'm not 16 anymore. My life is on hold for no one."

 More from E: Celeb weddings we can't wait for 

We wish the future Mr. and Mrs. Marroquin -- and little Isaac -- all the best.

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