Aliannah Simms

Teen Mom 2's Leah Messer is blessed with adorable twin daughters, but her life is far from easy. Leah's sweet bay gal, Aliannah, suffers from a mysterious muscular disorder, and has struggled to developmentally keep up with her sister, Aleeah.

The good news? Teen Mom 2 Season 4's penultimate episode featured Ali finally learning how to walk, and in the finale episode of the season girlfriend...

Teen Mom 2's Leah Messer has her hands full with her twin daughters, Ali and Aleeah, her new baby gal, Adalynn, and a full time job at a tanning salon — but girlfriend is already adding to her growing family! No, this Southern belle isn't pregnant for round three (thank Beysus), but she and her husband, Jeremy Calvert, did buy their daughters a brand new kitten! Annnnd, cue squeals of...

When Leah Messer and ex-hubby Corey Simms had to take daughter, Aliannah, for a muscle biopsy during the Teen Mom 2 Season 4 finale, we could barely contain our tears. But now, things have been really great for the little tyke. Doctors have finally put a name to Ali’s condition and the little girl is in physical therapy!

In a photo mama Leah posted to Twitter April 30, we see 3-year-old......

Please grab a giant tub of tissues and prepare to cry your eyes out, because things are about to get all kinds of emo. Like, even more emo than Conor Oberst's bangs. After years of uncertainty, it looks like Leah Messer and Corey Simms are finally getting some answers about Baby Ali's mysterious medical condition!

This is great news, but poor Ali has to undergo surgery so the docs can do a...