The most memorable looks at the Grammys

Gwen Stefani in Atelier Versace

Gwen Stefani's custom Atelier Versace jumpsuit was definitely artwork.

Photo, Larry Busacca/Getty Images for NARAS.

Jennifer Hudson in Tom Ford

Jennifer Hudson's strapless white number and delicate diamond necklace was a clear case of less being more.

Photo, Christopher Polk/WireImage.

Anna Kendrick in Band of Outsiders

Anna Kendrick was pitch perfect in this bra-less Band of Outsiders suit.

Photo, Valerie Macon/AFP/Getty Images.

Chrissy Teigen in Gucci

Chrissy Teigen stunned in this daring cutout Gucci dress.

Photo, Kevin Mazur/WireImage.

Jessie J in Ralph & Russo

Jessie J was as sophisticated as one can be in a see-through gown.

Photo, Jason Merritt/Getty Images.

Haim in Chloé and Stella McCartney

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 in Elie Saab

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

Photo, Getty Images.

Beyonce Knowles in Proenza Schouler

Queen Bey surprised by taking style cues from Morticia Addams. 

Photo, Jason Merritt/Getty Images.

Madonna in Givenchy

Madonna mooned everyone in her matador costume. Talk about cheeky.

Photo, Jason Merritt/Getty Images.

Charli XCX in Moschino

Charli XCX definitely did not bore in her pale pink tux and fur wrap.

Photo, Kevin Mazur/WireImage.

Sia and Maddie Ziegler

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

Photo, Jeff Vespa.

Lady Gaga in Brandon Maxwell

Lady Gaga plunged deep in this metallic number.

Photo, Lester Cohen/WireImage.

Rihanna in Giambattista Valli

Rihanna in Giambattista Valli Rihanna turned heads in this puffy, hot pink quinceanera-like gown.

Photo, Jason Merritt/Getty Images.

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