This slideshow features a bevy of celebrity beauties and their sleek, straight locks. A-listers across Hollywood know that super smooth, shiny hair is always in style if you’re armed with a few minutes and a flat iron! This short clip features some of the smoothest hair styles around – Charlize Theron, Jennifer Aniston, Rihanna, Miley Cyrus, Jennifer Lopez, Kim Kardashian, Hayden Panettiere, Beyonce, Kate Walsh and more!