
Gwen Stefani's custom Atelier Versace jumpsuit was definitely artwork.
Photo, Larry Busacca/Getty Images for NARAS.

Jennifer Hudson's strapless white number and delicate diamond necklace was a clear case of less being more.
Photo, Christopher Polk/WireImage.

Anna Kendrick was pitch perfect in this bra-less Band of Outsiders suit.
Photo, Valerie Macon/AFP/Getty Images.

Chrissy Teigen stunned in this daring cutout Gucci dress.
Photo, Kevin Mazur/WireImage.

Jessie J was as sophisticated as one can be in a see-through gown.
Photo, Jason Merritt/Getty Images.

The Haim sisters (Este Haim wore Chloé while Danielle and Alana Haim sported Stella McCartney) looked as cool as their music.
Photo, Jason Merritt/Getty Images.

Taylor Swift looked lovely in this short-long, layered Elie Saab gown.
Photo, Getty Images.

Queen Bey surprised by taking style cues from Morticia Addams.
Photo, Jason Merritt/Getty Images.

Madonna mooned everyone in her matador costume. Talk about cheeky.
Photo, Jason Merritt/Getty Images.

Charli XCX definitely did not bore in her pale pink tux and fur wrap.
Photo, Kevin Mazur/WireImage.

Sia stayed incognito – and coordinated with her mini-dancer — in massive wigs.
Photo, Jeff Vespa.

Lady Gaga plunged deep in this metallic number.
Photo, Lester Cohen/WireImage.

Rihanna in Giambattista Valli Rihanna turned heads in this puffy, hot pink quinceanera-like gown.
Photo, Jason Merritt/Getty Images.
