The Night's Biggest Fashion Trends

Taylor Swift

Taylor Swift

styled her long blonde locks into a braided updo to show off the criss-cross open back of her J. Mendel goddess gown.

Rihanna

The Barbadian beauty picked up her seventh Grammy in this scarlet Azzedine Alaia creation laced up the back with sheer ribbons.

Alicia Keys

Grammy Performer Alicia Keys also worked Alaia. Hers boasted a structured mermaid skirt and a leather top with a keyhole cutout in the back.

Carrie Underwood

Carrie Underwood

-who took home the Grammy for Best Country Performance-kicked off the night's peek-a-boo trend in a Roberto Cavalli dress with sheer lace overlay.

Faith Hill

Faith Hill

gave us a peek in J. Mendel's licorice mini with a deep cut into its sweetheart neckline and sheer sleeves.

Jennifer Lopez

Presenter Jennifer Lopez had moment reminiscent of Angelina Jolie at the Oscars in her one-shoulder Anthony Vaccarello gown with an up-to-there slit.

Florence Welch

The color of the year was also the color of the night: emerald. Nominee Florence Welch did it proud in a custom Givenchy gown with spikes up the bodice and along her shoulders.

Katy Perry

Grammy nominee Katy Perry-who brought Girls star Allison Williams as her date-flaunted her assets in Gucci's pale jade column with an embellished floral collar.

Solange Knowles

We're not in Kansas anymore: Solange Knowles' took a trip to Oz in a glittering gown with cap sleeves and a super-slit-a pop next to sister Beyoncampeacute;'s structured black and white look.