The decision to pose in her birthday suit stems from a desire to raise awareness about the environment—most notably, the dangers faced by koalas.
"It's a sad thing. There are only about 100,000 koalas left in Australia," she tells the mag. "Something like 80 percent of the koalas' habitat has been destroyed since Europeans arrived in Australia."
Beautiful and furry-friend friendly? Looks like the tree isn't the only thing deserving of a hug.