Teen Mom OG star Amber Portwood addressed accusations that she murdered her ex-boyfriend Gary Shirley during a live Instagram Q&A on Tuesday, October 5. Portwood, 31, was responding to a comment that read, ‘You killed Gary,’ to which she replied, ‘I didn’t kill Gary. I’ve never killed anybody in my life.’ The comment came after a viral TikTok video that featured a clip from Portwood’s 2010 arrest for domestic battery against Shirley. Portwood and Shirley share a 12-year-old son, Leah. ‘I’ve been dealing with this s— for 12 years,’ Portwood said during the Q&A. ‘I’ve been dealing with it. I’ve been in therapy. I’ve been in rehab. I’ve been doing everything I can to better myself.’ Portwood also addressed rumors that she’s pregnant with her third child, saying, ‘I’m not pregnant. I’m just gaining weight.’