The pint-sized blond half of the duo known as Halo is adorable all on her own, and the way she uses her fame for good makes us love her even more. One of her favorite red carpet looks is also worthy of admiration -- the high-waisted pencil skirt with belt and sleeveless top. We love this look on her, and now you can rock it, too. Check out the gallery to see how to build a look like this for yourself.