Dakota Johnson a bride-to-be? The question started circulating after the 31-year-old actress was spotted sporting what appeared to an engagement ring. Johnson has been linked to Chris Martin, 43, since 2018.In photos taken earlier this month, which were obtained by , the actress is seen wearing a large emerald rock on finger while out shopping in West Hollywood.ET has reached out to Johnson's rep for comment. The pair first sparked relationship rumors in early 2018.