Catelynn Lowell Catelynn Lowell

Teen Mom star Catelynn Lowell and her fiancé Tyler Baltierra are expecting their second child, Us Weekly reports.

The couple, who are both 22, put their first child, daughter Carly, up for adoption in May 2009 because they weren't ready to be parents. According to Lowell's mother, April Stotts, Lowell and Baltierra are excited for their new addition and are planning on keeping the baby, noting they hope it's a girl.

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"She was crying when she knew for sure and so I was like, 'Are you happy? Are you upset?' And she was like 'I'm happy!'" Stotts told the magazine.

Watch past episodes of Teen Mom here.