Cameron Diaz and Benji Madden started May with surprise news: they’ve expanded their family. On Sunday (May 3), the Good Charlotte guitarist, who married Diaz in 2015, posted an announcement on Instagram to reveal that the couple has welcomed their third child, Nautas Madden. Diaz and Madden have two older children via surrogacy, a daughter, Raddix Wildflower Madden, and a son, Cardinal Madden, 2. On Instagram, Madden posted a replica of a trading card with a pirate ship illustration, along with the pronunciation and meaning of Nautas. “Sailor, Navigator, Voyager. One Who Embarks on a Journey and Fears Not the Unknown,” the illustration reads. “Cameron and I are Happy, Excited, and feeling so BLESSED to announce the birth of our third Child, Nautas Madden. Welcome to the world Son!!👊❤️” the caption reads. “We love life with our family- our kids are healthy&happy, and we are grateful!!!🙏🙏having a blast ❤️Sending all our best wishes- the Madden Family ❤️🙏👊🏴‍☠️” the caption continued.…