She’s about to pop!

Chelsea Houska gave Teen Mom 2 fans an exciting pregnancy update and revealed that she’s reached a milestone with baby boy DeBoer! The reality star is currently five weeks away from her Feb. 14 due date — which is a first for the soon-to-be mom-of-two.

“I've officially made it longer in this pregnancy than I did with Aubree!” the 25-year-old announced on Twitter, adding a party popper emoji.

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The reality star also posted a photo of her due date counter on Snapchat and wrote, “It’s the final countdown” in the caption.

Her baby announcement comes just one week after she had a little fun with fans on social media. She shared a contest run by Teen Mom fan pages so that fans could try to guess her baby's birth date. Her father Randy Houska even chimed in and guessed that Jan. 28 will be the day his new grandson will be born.

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MORE: Chelsea Houska Wedding: Her Favorite Part About Marrying Cole DeBoer Was Dress Shopping With Aubree Houska

This will be Chelsea’s second child, but it will be her first with her husband Cole DeBoer. She previously revealed that her seven-year-old daughter Aubree — whom she shares with her ex-boyfriend Adam Lind — was born five weeks early.

Even though Chelsea has moved on from Adam, she is still involved in a custody battle with him. On a recent episode of Teen Mom 2, she met up with Adam’s recent ex-girlfriend Taylor Halbur and the girls bonded over their custody woes.

MORE: Adam Lind Slams Chelsea Houska for His Portrayal on 'Teen Mom 2'

Taylor also has a child with Adam — three-year-old daughter Paislee — and she wanted to meet with Chelsea while the MTV cameras were rolling to tell the truth about their custody agreement. She revealed that Adam has been lying about having 50/50 custody of Paislee, and she even said that she wished she had listened when Chelsea advised her not to settle out of court with him.

For more photos of Chelsea's baby bump, scroll through the gallery below!