See Every Angle of Every Beauty Look at the Billboard Music Awards

Jennifer made a case for how half-up hair can look sophisticated.

Sarah showed a new way to wear an "undercut" — instead of braiding one side of her head, she pulled it back into a low braid. It still gave the same half-shaved effect.

Here's Sarah's look from the side.

We're loving how Nicki is ditching her usual bright makeup colors in favor of sexy neutral.

The country star presented dark hair with an equally vampy eye.

Here's her voluminous chignon from the side.

Later that night, the Billboard Music Award winner took down her chignon to wear her locks in a loose, side ponytail.

A glowing tan and a combed-over hairstyle were all Miranda needed to rock the red carpet.

Colorblock green eyes were the standout feature in Kelly's beauty look.

Tousled rose gold hair and charcoal smudged eyes gave Kesha an edge.

Here's her messy-chic chignon from the side.

Jordin braided sections of her hair back, which left the focus on her dark eye makeup.

Jordin's braids flowed into a sleek ponytail.

Shakira posed with enviable long beach waves.

As a Kardashian relative, we weren't surprised that Kendall showed up with the three "s"s: sleek hair, smoky eyes, and side boob.

Kylie made green-tinged hair dress-up appropriate.

The model tested out blunt, eye-grazing bangs with this wig.