Rehab, Prison, & More! See The Most DRAMATIC Transformations From The Cast Of 'Teen Mom!'

From 16 & Pregnant to Teen Mom, the ladies certainly have come a long, long way. Click through to see their dramatic transformations!

Kailyn Lowry has come a long way! Fans first met the young blonde when she got pregnant with her first child, Isaac, with her ex-boyfriend, Jo Rivera. On the show, the couple were constantly on-and-off until splitting for good. Even as exes, the couple fought over everything regarding their son, including child support.

Kail moved on from her ex with Javi Marroquin and the two welcomed a son of their own, named Lincoln. Now, the reality star is divorced from her recent ex and is living the single life! From traveling around the world to working on her own projects including a book, she has come a long way since her early reality television days.

This is Amber Portwood, before all her troubles! The Teen Mom OG star got pregnant when she was a teenager with her ex-boyfriend, Gary Shirley's daughter, Leah. After welcoming a child together, the two were constantly on-and-off for years. Gary even proposed to Amber with a ring from Walmart during a romantic vacation. Over the years, Amber served time in prison and was charged with domestic violence after beating up Gary on camera.

Now, the reality star is engaged to her longtime boyfriend, Matt Baier. The two were set to marry in October 2016, but pushed back the wedding due to issues regarding Matt's secret children and constant lies. Despite their troubles, the two are still together and hope to get married and have kids someday!

Chelsea Houska was clearly always a daddy's girl! Fans met her when she was pregnant with her ex-boyfriend, Adam Lind's baby, a daughter named Aubree. Over the years, the couple were on-and-off and constantly fought over child support and custody.

Another baby on the way! Chelsea is now married to her longtime boyfriend, Cole DeBoer and is expecting her second child! Baby DeBoer is due on Valentine's Day 2017.

Farrah Abraham has grown up, a lot! The Teen Mom OG star was a high school cheerleader and expecting a baby with her late boyfriend, Derek. Over the years, the reality star struggled with raising her daughter, Sophia, as a single mother.

Now, she's a business woman! The reality star has a lot in the works but recently, she opened up her newest cafe, Froco, back in Texas. Her daughter has also become a little business woman and is opening her own boutique.

Jenelle Evans was a blonde! The Teen Mom 2 star was introduced to fans when she was a teen in high school expecting her first child, a son named Jace. Shortly after giving birth, Jenelle handed primary custody to her mother, Barbara, who still has custody to this day. She was also arrested multiple times and spent time in rehab.

Jenelle welcomed her second child, Kaiser, with her ex, Nathan Griffith, and is now expecting her third child with her current boyfriend, David Eason. She is in the midst of fighting her mother for custody back of her first born while she preps for her daughter's arrival in January.

So young, Catelynn Lowell! Audiences fell in love with Cate and her boyfriend, Tyler Baltierra. The two young high school sweethearts welcomed their first child together, a daughter named Carly, and gave her up for adoption. Over the years, the couple were on-and-off and experienced some issues with trust.

These days, the two are now parents to another little girl, daughter Novalee. They got married one year ago, however, life hasn't been all roses! Earlier this year, Cate went to rehab for mental illness, as seen on the reality show.

Maci Bookout has her hands a lot more full these days! Fans met the bold redhead when she was pregnant with her first child, Bentley, with her ex, Ryan Edwards. Over the years, the two were constantly on-and-off and have fought over Ryan seeing his only son.

These days, she is definitely a busy mama! Maci recently married her longtime boyfriend, Taylor McKinney, and the two welcomed two children together, Jayde and Maverick, within one year.