Actor Matthew McConaughey has got engaged to his long-time girlfriend Camila Alves. The 42-year-old star popped the question to the Brazilian model, 28, on Christmas day. He announced his engagement on his WhoSay account and also posted a snapshot of the couple sharing a kiss, reports people.com. “Just asked Camila to marry me. Merry Christmas,” he wrote. The couple have two children together, Levi, 3, and Vida, who turns two in January.