Alessandra Ambrosio
If you're bored by a plain T-shirt and jeans combo, a cool rocker tee will spice up your off-duty look in an instant.
Ciara
Black on black is always a win, but throw on a leather jacket and your look becomes instantly edgy.
Poppy Delevingne
Cold out? Leather pants and black fur are the perfect way to give your bundled-up look some cool-girl style.
Joan Smalls
A sheer, black bodysuit is feminine, but in a badass way. Pair yours with satin shorts and lace-ups to keep it cool for daytime.
Jourdan Dunn
A fitted leather jacket (with studs on the shoulders) is a rebellious way to jazz up a basic black ensemble.
Vanessa Hudgens
Cheetah print is synonymous with cool-girl style. Go big with a bold one-piece jumpsuit to make an impression.
Khloe Kardashian
Ripped jeans, studded thigh-high boots, dark sunnies and a leather jacket kills it every time. From head-to-toe, this look is all rock & roll.
Rihanna
Throw an oversized leather jacket over your graphic tee and slouchy jeans. Pair with rad sunnies and pointy-toe boots to look (and feel) rad.
Julianne Hough
To give a jeans-and-cami combo a mysterious edge, a wide-brim, black hat and sunnies will do the trick.
Chloe Grace Moretz
Give a black suit a rebel-like vibe by throwing a graphic tee underneath, adding suspenders and finishing off with moto-inpsired boots.
Rosie Huntington-Whiteley
Give biker-inspired leather pants a sophisticated twist with a neck tie, blazer and studded boots.
Kendall Jenner
Leather shorts and a crop top are a cool combo, but an oversized, printed jacket really solidifies the look.