"that her marriage is over."
She said: "Josh and I are both still young with an entire life ahead of us.”
“And I wish nothing, but peace and happiness for him and his future. Everyone has their own story, and this is mine.”
Mackenzie also wrote in an post: "Sometimes things work, and sometimes, no matter how hard you fight, it just doesn’t work out."
She shared a heartfelt message on her Twitter account and tweeted: "Welcoming any emotions that want to come in.... grief, come on baby. Hurt, let's go. Trauma, time to feel it.
"Like it's time to feel them, and move on 'cause I'm busted through walls baby."
MacKenzie concluded: "Goodbye 12 years of toxic pain. Hello, unleashed Mackenzie."