Catelynn Lowell and Tyler

Catelynn Lowell is an original cast member on Teen Mom.

She and her fiance, Tyler Baltierra, gave up their baby in 2009 for adoption. Tyler, her stepbrother, has since gotten engaged to Cate.

The couple have shown what it's like to maintain a relationship with their child even after the decision to let someone else raise Carly.

They are expecting their second child in late 2012!

And keeping it this time!