Brazil's President Luiz Inácio Lula da Silva closed the Group of 20 summit on Tuesday and handed over the presidency to South Africa. (AP/Lucas Dumphreys)

Brazil’s first lady swore at billionaire Elon Musk at a G20 event in Rio de Janeiro about social media misinformation over the weekend. Janja Lula da Silva, whose husband is President Luiz Inácio Lula da Silva,

Brazil's First Lady Rosângela da Silva confronts Elon Musk over social media issues, sparking a heated exchange before the G20 summit.

Brazil's First Lady, Rosangela Janja Lula da Silva, took a jab at entrepreneur-billionaire Elon Musk during a G20 social event in the South American nation on Saturday where she was speaking about the need to regulate social media to curb misinformation.