When JLaw whipped out this platinum blonde color in 2015, happy cries broke out all over the Internet. The effortless half-up style she wore to a recent "Joy" screening had us wondering why we ever style our hair any other way.

Garnier De-Constructed Texture Tease, $4.29) and a handful of bobby pins. Part hair in the middle and use your texturizer to rough up the ends. Then, take all the hair above your ears, bring it to the back of your head and secure with bobby pins. Gently (very gently!) tug the pinned hair upwards to create some volume, and voila -- you're JLaw's long lost twin.

You might think updos are out of the question for ladies with bob-length hair. But Lawrence proved at the "Mockingjay Part 1" premiere that it can indeed be done. Her chic French twist styled with loose strands is pure business in the back, party in the front.

A classic JLaw style, this "Silver Linings Playbook" brunette had to make it into our top 10. While the tousled, voluminous waves read beachy bohemian, the dark cocoa color brings a grown-up sophistication.

To pull a 2012 JLaw, apply a volumizing mousse to wet hair (try DryBar Southern Belle Volumizing Mousse, $26). Blow-dry with a large, round brush, then curl hair with a two-inch curling iron, starting at eye level and alternating the direction in which you wrap strands around the barrel. Mist with a strong-hold hairspray, and prepare to be mistaken for an Oscar winner.

We normally think of JLaw as too sassy for an updo so princess-like. That said, we instantly swooned when she debuted this ornamented updo at the 2012 LA "Hunger Games" premiere.

To learn how to master 11 gorgeous braided buns like this one, click here.

This was the year of the lob, and Lawrence was its poster girl. This full, platinum blonde version brought glamorous vibes to the look.

The secret? Use a rat tail comb to tease your hair in the back slightly. This will create an extra boost of volume.