when she was seen out with her boyfriend, Machine Gun Kelly, 30.Megan was on hand to support her beau during rehearsals at the Saturday Night Live studio before his musical appearance, alongside John Krasinski hosting.The actress and the musician began their romance last year and they’ve basically been inseparable ever since – with MGK even wearing a vial of Megan’s blood round his neck.Machine Gun Kelly wears vial of his 'bloody Valentine' Megan Fox's blood around his neckMegan Fox appears to address Machine Gun Kelly engagement rumours with explicit jewelleryMegan Fox and Machine Gun Kelly spark engagement rumorsLast November saw the actress made her red carpet debut with her boyfriend, days before she officially filed for divorce from.