Credit: MTV

Teen Mom's original season is coming to a close, and we can't believe how much Maci Bookout, Amber Portwood, Catelynn Lowell, and Farrah Abraham have changed in the past four years. All of these ladies have made huge strides and become fabulous mommies (yes, even Amber!), and the time has come to vote on Most Improved Teen Mom!

Maci and Farrah have transformed from a popular "it"-girls to dedicated moms who always puts their babies first, and their relationships have improved dramatically in the past four years. Maci and Ryan barely fight anymore, and Farrah and her mom can actually be in the same room without bitch slapping each other!

Meanwhile, Catelynn has grown leaps and bounds as a result of giving Carly up for adoption, and the decision has inspired her to make the most out of her life — now she wants to be an adoption counselor for pregnant teens!

Then, there's Amber. Yeah, she's in jail for drugs, but despite her substance abuse problems, she's shown nothing but love to Leah. We wouldn't say she's "Most Improved," but she definitely has potential. Can we get an amen, y'all?

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