Stare at Every Stellar Beauty Look From the American Music Awards

The evening's host piled her hair on top of her head in a chic, messy topknot after her incredible opening dance number.

Hair: Lorenzo Martin
Makeup: Mary Phillips
Key product: L’Oréal Paris Infallible Makeup Extender Setting Spray ($17)

Gwen sported a Brigitte Bardot-esque bouffant and an elegant nude lip.

Zendaya complemented her sweet lace ensemble with a matching cheek and lip.

Hair: Ray Dodson for CHI

Key product: CHI Argan Oil Plus Moringa Oil ($22)

Kylie painted her famous pucker with a rosy nude shade.

We would totally wear her low, messy ponytail on date night.

Hair: Jen Atkin

Key product: RUSK Volumizing Mousse ($18)

Kendall's ultralong fringe and bold topknot added edge to her look.

Hair: Etienne Ortega

Key product: KMS California Hair Play Messing Cream ($20)

Demi's marcel waves and porcelain complexion made her look like she stepped out of the 1920s.

Hair: Clyde Haygood

Key product: Scunci Caviar Beaded Side Pins ($4)

Selena stunned with supersleek strands and dramatic burgundy eye shadow.

Gigi gave off mermaid vibes with her beachy, slicked-back bob and glimmering eye shadow.

Hair: Bryce Scarlett for Matrix

Key Product: Matrix StyleLink Texture Builder ($18)

Ciara wore a subtle cat eye and a chic mauve lip on the red carpet.

Carrie simply glowed thanks to her luminous skin — and a generous application of highlighter.

The singer's red lipstick made her gorgeous green eyes stand out.

Nina matched her smoky eye to her glossy chestnut waves.

Hailee incorporated the gold and pewter tones from her sequined dress into her shimmering eye look.

Hair: Bobby Eliot

Makeup: Stephen Sollitto

Key product: Laura Mercier Caviar Stick Eye Colour in Gilded Gold ($28)

Alicia kept her look simple and elegant with dewy skin, copper eyeliner, and tousled strands.

Nicki wore sleek strands and a bold cat eye to the show.

Rebel's voluminous hair and nude lips were reminiscent of the 1960s.

Chloë accessorized her wavy strands with retro barrettes.

Makeup: Mai Quynh

Key product: Laura Mercier Velour Lovers Lip Colour in Sensual ($28)

Smudgy bronze shadow on her lower lash line made Ashley's baby blues look even brighter.

Christina smoldered with shimmering metallics on her eyelids, cheekbones, and lips.

We couldn't take our eyes off Julianne's graphic zigzag part.

For her moving performance, Celine wore her hair in gorgeous flowing waves.

Paula's textured lob was the perfect casual pairing to her heavily sequined dress.

Jared's pink strands flashed as he moved on the American Music Awards stage.

Ellie rocked a wet-look lob and glossy nude lips.

Tove's creamy maroon lip made a dramatic statement with her gown.

Sofia's bold cherry pout popped against her all-white outfit.

Karrueche wore braids that snaked up the back of her head and transformed into a topknot.

Zuri's fluttery lashes and crisply arched brows had our focus on her stunning eyes.

Keltie's braided crown gave her glam look a touch of bohemian flair.

Carly's earth-toned makeup was the perfect nod to the '90s grunge trend.

Danica rocked a low, tousled ponytail on the red carpet.

Dulce's glowing skin and maroon lipstick looked even more ethereal thanks to her piecey braid.