Gary Shirley's Wife Kristina Reveals Devastating Details About Her Miscarriage

Last night's episode was an emotional one.

From Kristina Shirley and Amber Portwood's miscarriage news to Ryan Edwards' stint in rehab, audiences were left in tears!

Watch the video above for the biggest O-M-G moments from last night's episode! Teen Mom OG airs Monday night at 9pm ET, only on MTV!