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Leah Messer officially ended her marriage in an unconventional way

A celebrity gossip junky, Caroline Goddard has been writing entertainment news for longer than the world has known Kim Kardashian's name. Follow her on Twitter at @GoddardCaroline.

One Teen Mom couple has officially called it quits

Leah Messer is now a single mom after finalizing her divorce from Jeremy Calvert, and she did it all over the phone.

The Teen Mom 2 star is trying to make a fresh start in every way, and while her first step was to enter rehab, the next was to officially end her tumultuous marriage.

"Leah participated on the phone from rehab," a source told In Touch Weekly. "They had an uncontested divorce. The terms, including a custody arrangement for Adalynn, were agreed upon prior to the hearing. It was all over in about 15 minutes."

Messer also has twin daughters with her first husband, Corey Simms.

More: See the real reason Leah Messer went to rehab — and it's not what you think

The couple has had a very rocky road in their relationship. Amid rumors that Messer cheated, Calvert filed for divorce in November 2014, only to reunite in time for New Year's Eve. They split again in March 2015, and Calvert began trashing her on Twitter. His account has since been deleted.

And just last week, reports surfaced that Calvert was not exactly an innocent party himself: An insider said he cheated on Messer with tattoo model Melissa Marie.

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