The Beasts of the Southern Wild star—and youngest Best Actress nominee ever—prefers wearing sneakers, jeans, and "dresses that spin," though it's her penchant for accessorizing that's gotten her the most style attention so far: Wallis carried adorable puppy purses during awards season, including on Oscar night.
Anything pink and the aforementioned purses. "I have dogs and cats. I can't travel with my real dog, so I carry the purses."
Wouldn't Be Caught Dead In
"An all-black outfit without sparkle."
"Always keep a little shine on your lips, and smile."
Jacket, Gap Kids, $40. Shirt, Crewcuts for J.Crew, $38. Pants, DVF for Gap Kids, $45. Socks, Hue, $7. Sneakers, Gap Kids, $50.