Spending a sunny Easter Sunday on the beach at Byron Bay, Matt Damon, 47, and wife Luciana Barroso, 42, along with three of their daughters, Stella, 7, Gia, 9, and Isabella, 11, seemed less like tourists and more like locals of the northern NSW town. Working in their favour? Having superhero tour guides in Byron locals Chris Hemsworth, 34, his wife, Elsa Pataky, 41, and their kids, India, 5, and 4-year-old sons Sasha and Tristan. Back already after spending New Year’s Eve in Australia with the famous family, the Damons are now rumoured to be considering a permanent move Down Under. “Matt’s telling friends and colleagues in Hollywood that he’s moving the family to Australia for a year,” a source told The New York Post in March. A rep for…