The 20-year-old reality TV star is already mom to two-year-old twin girls Aliannah and Aleeah, whom she had while in a previous relationship with ex-husband Corey Simms. Leah's new baby will be her and Jeremy's first child together.
"Ali and Aleeah can't wait to meet their new brother or sister," Jeremy added. "We feel incredibly blessed and look forward to this next chapter in our lives."
Leah and Jeremy, 23, got engaged in December of last year, and then Leah unfortunately suffered a miscarriage with his baby in January. The couple wed in April at the Catlettsburg Wedding Chapel in Ashland, KY.
Leah filed for divorce from Simms in April 2011. She filed the papers less than six months after the couple had tied the knot in an October wedding which aired on MTV in March 2011 during the first-season finale of Teen Mom 2.
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