Bump alert! Early Thursday, Jan. 17, Jenelle Evans confirmed the news that she's pregnant with her second child with photographic proof on Instagram. Clad in a bra and sweatpants, the 21-year-old Teen Mom 2 star posed in front of a mirror and bathroom sink debuted the beginnings of her belly. "Baby bumppp," she wrote. "My little angel!"

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Expecting new husband Courtland Rogers' child, she later told a Twitter follower she's "7 weeks along." (A source confirmed the second pregnancy to Us Weekly on Wednesday.) The little boy or girl will join big brother Jace, 3.

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Proud papa-to-be Rogers told RadarOnline, "Me and Jenelle are so happy that she's pregnant." Married on Dec. 4 of last year, the couple have already weathered major ups and downs -- briefly Tweeting of a breakup before reconciling.

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Jenelle, who has struggled with drug abuse and legal problems in the past, also tweeted some hopeful developments: "My mother and I had the best conversation yesterday about getting Jace back in the future. Everything is looking up for me!," she wrote, adding that she's been "clean for 2 months"

This article originally appeared on Usmagazine.com: Jenelle Evans Confirms Second Pregnancy, Debuts Baby Bump in Bra