Hair Highlights: The best locks of the week

By Zoe Schaeffer: We love a loose braid and Diane Kruger makes the latest hair trend look effortless thanks to strategically undone strands and a not-quite-perfect part.

Taking her hair color from icy blond to warm chestnut, Nicole Kidman's look is softer and more sultry.

Tousled unloosed tendrils are all the rage and Malin Ackerman’s bright blond highlights flatter the whole look. To us, she's the quintessential California girl.

We have yet to master a clean, middle-part without feeling like a lost cast member from Hair. Meanwhile, model Angela Lindvall wears the look flawlessly—and does so in black-tie style.

At this week's Arthur premiere, Hollywood newcomer Greta Gerwig looked both modern and classic with her angled cut and delicate curls.

Schadenfreude alert: Olivia Palermo never—and we mean NEVER—has a hair out of place, so seeing her 60s inspired coiff looking a little messy reminds us that she, like the rest of us, is human.

We give Taylor Momsen kudos for simply not caring about what people think as evidenced by her down-to-there Rapunzel-esque extensions and take-that expression.

We love Carrie Underwood when she goes more low-key and lets her natural beauty shine. Here she stuns in a deep side part and silky blown-out strands.