"That gets me through my day, every day. For me, less is more. I don't really wear foundation all over my skin; I'll just apply it where needed and pull my hair back in a ponytail," she added.
The "Avatar" star has hands-off approach when it comes to her hair and is a fan of "bed-head" style.
"It's so unruly that I rely on hair serum and oil all of the time, just on the ends. I like it to look like a horse's mane - completely uncombed and a bit bed-head," she added.