When we first met Maci Bookout, Amber Portwood and Catelynn Lowell five years ago on "16 and Pregnant," they were timid mothers-to-be who were unsure of what their futures would hold. During their time on "Teen Mom," they endured heartbreak and triumph and, along the way, flourished into independent and strong women.

The young ladies kept us informed about major events via their social media accounts and the occasional interview -- Catelynn and her fiance Tyler are expecting a baby, while Amber is penning a tell-all book. We also got reacquainted with them during a set of catch-up specials in February. But there's much more in store: Two years after we bid the trio a fond farewell from "Teen Mom," they're returning to MTV in 2015!

"I've changed so much that my focus and my goals are different than before," Amber told Us Weekly, which first broke the story of the trio coming back. In addition to raising her daughter Leah, she'll also be going back to school but is unsure about her major.

Meanwhile, Catelynn is looking forward to having the cameras present while she plans her wedding to Tyler and prepares for the arrival of her second child. "I feel like documenting this pregnancy is totally different, because now it's our time to be parents," she tells the magazine.

Lastly, Maci will introduce viewers to Taylor, her boyfriend of two years, and will also show how much she and her son Bentley have changed. "My family and I are in such a new and interesting place in our lives," she says. "I feel like I have grown up so much since the last time that I filmed anything for TV, so it will be very interesting to show viewers how our lives have evolved."

+ Are you excited that Maci, Amber and Catelynn are coming back to MTV? Sound off in the comments below, and keep checking MTV News for more details about their return.