Amber Portwood in 'unbearable pain' after losing custody of 4-year-old son James

Amber Portwood, 32, is not backing down. The Teen Mom OG star released a vulnerable statement on social media on Thursday, expressing her most personal feelings after losing custody of her 4-year-old son Jack. , Wednesday, July 27, to her ex-boyfriend and father of Jack, Andrew Glennon. "I am devastated and heartbroken by this outcome," the MTV star wrote via Instagram on July 28. "I've worked so hard to improve myself and my relationship with my kids. Although I've always been upfront about my substance abuse history and mental health issues, a person should be given a chance to to redeem and not be attached to her past issues. Amber continued, after referencing her past struggles, saying she should be allowed to move on from the past.

Amber Portwood (MEGA)

"People who have...