Kendall Jenner

Kendall Jenner left little to the imagination in this beaded La Perla number.

Haley Bennett

Haley Bennett opted for florals for spring (groundbreaking!

), pairing a pale pink printed gown with an ornate headpiece.

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

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Lena Dunham

Lena Dunham amped up the volume in a deep red printed gown by Elizabeth Kennedy.

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

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“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Kevin Mazur/WireImage

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Jamie McCarthy/FilmMagic

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala

John Shearer/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Dia Dipasupil/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Theo Wargo/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Theo Wargo/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Venturelli/WireImage

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Dimitrios Kambouris/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Kevin Mazur/WireImage

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images

“Rei Kawakubo/Comme des Garcons: Art Of The In-Between” Costume Institute Gala - Arrivals

Neilson Barnard/Getty Images