Joanna Gaines is reflecting on her family's history as she and her husband Chip Gaines expand their Magnolia brand with the launch of their network last week. The "Fixer Upper: Welcome Home" star, 43, spoke to Hoda Kotb on her SiriusXM show "The Hoda Show" about how her mother immigrated from South Korea to the U.S. at 19 years old and didn't speak any English.