Levi Johnston Says He's Now Co-Parenting With Bristol Palin After 7-Year Custody Battle

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Levi Johnston claims he and ex Bristol Palin have finally reached a custody agreement over his son, Tripp Easton Johnston. Johnston took to Facebook on Tuesday to discuss what is seemingly the end of his on-going custody battle.

“I’m so happy to have my son in my life, and to put all of this back in forth in the courts behind me,” he wrote. “It might have taken me 7 years and cost me around $100,000 in lawyer fees, spread out among 3 different lawyers, as well as a lot of patience, but it was all worth it.”

RELATED: Bristol Palin Says Levi Johnston Is a ‘Great Dad’

Palin, 25, has not spoken out about their results of their custody battle, but Johnston wrote, “I’m happy now to be successfully co-parenting.”

The published author was previously engaged to Palin twice, finally splitting for good in 2010. He added that he still owes back child support, claiming he has already paid $50,000 in child support.

“Despite what some have heard I’ve always been there for him, and I go to almost every school event that I can and spend all of my free time with my kids,” Johnston wrote. “Right now life is really looking up for our family.”

MORE: EXCLUSIVE: Sarah Palin Fires Back at Dakota Meyer Paternity Drama

He ended his post with an inspirational message for fellow fathers fighting for custody of their children.

“Even though fathers in this country don’t usually have the upper hand in court, I encourage every father to never give up on fighting to keep their kids in their life,” he wrote. “It’s always worth it.”

Palin has been supportive of Johnston throughout their custody battle, recently telling ET, “Levi is a great dad. We have a great co-parenting relationship and Tripp loves him.”

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Palin also welcomed daughter, Sailor Grace, in December and since been involved in another custody battle. ET has learned that her ex-fiance, Dakota Meyer, is the father of baby Sailor, which was confirmed with a paternity test on Feb. 20. The exes are still trying to come to a custody agreement. Meyer has been ordered to pay child support.

Former Vice Presidential candidate and Bristol’s mom, Sarah Palin, previously told ET of Meyer: "For many months we have been trying to reach out to Dakota Myers [sic] and he has wanted nothing to do with either Bristol's pregnancy or the baby. Paramount to the entire Palin family is the health and welfare of Sailor Grace.”