MEXICO CITY -- Argentine singer-songwriter Diego Verdaguer, whose romantic hits such as “Corazón de papel,” “Yo te amo” and “Volveré” sold almost 50 million copies, has died of complications from COVID-19, his family said Friday. He was 70.The naturalized Mexican-Argentine musician, who was married to singer Amanda Miguel, died Thursday afternoon in Los Angeles, his daughter Ana Victoria said in a statement released by Diam Music, Verdaguer’s record company.“With absolute sadness, I regret to inform his fans and friends that today my father left his beautiful body to continue his path and creativity in another form of eternal life,” said his daughter.