The trio changed their name in June in light of the term 'Antebellum' referencing a pre-abolition period in the South =============================================================================== top entertainment and celebrity headlines are here. Check out what's clicking today in entertainment. Country band Lady A has filed a lawsuit over trademark rights against a blues singer who uses the same name. In June, the band -- previously known as Lady Antebellum -- changed their name "after much personal reflection" and conversations with "closest Black friends" because the word "Antebellum" refers to a period of time "which includes slavery," they said. A blues singer from Seattle, Wash.,...