Instagram/Machine Gun Kelly & Megan Celebrity MGK leaves flirty comment on ex Megan Fox's daring Instagram post. See the playful exchange between the co-parenting former couple. March 25, 2026 AceShowbiz - Machine Gun Kelly recently left a teasing and flirtatious message on ex-fiancée Megan Fox's Instagram, responding to her daring photoshoot with a cheeky remark that caught fans' attention. The exchange showcases the unique dynamic between the former couple, who continue to co-parent their young daughter even after their split.