The Oscars red carpet [1] may be mostly glitz and glam, but when it comes time to kick back and celebrate those big wins? The stars tend to heat things up, changing into decidedly sexier ensembles. At this year's afterparties [2], we saw tons of sheer, cutout, and thigh-slit looks, most of which will make you sit up and say "Whoa!" Scroll through to see 'em all, then check out who dared to bare at the awards show itself [3].

Taylor Swift

In Alexandre Vauthier Haute Couture.

Emily Ratajkowski

In Steven Khalil.

Miranda Kerr

In a Kaufmanfranco dress.

Diane Kruger

In Reem Acra.

Lily Aldridge

In Alexandre Vauthier Haute Couture.

Kate Upton

In Victoria Beckham [4].

Chanel Iman

In a black gown and Jimmy Choo sandals.

Gwen Stefani

In Yanina Couture.

Olivia Munn

In J. Mendel.

Rachel McAdams

In Naeem Khan.

Gabrielle Union

In a Georgine gown and Jimmy Choo shoes.

Alessandra Ambrosio

In Balmain.

Sara Sampaio

In Zuhair Murad.

Kerry Washington

In Atelier Versace.

Molly Sims

In Tadashi Shoji and Lorraine Schwarz jewels.

Paula Patton

In Tadashi Shoji.

Jennifer Lawrence

In Alexander Wang.

Natasha Poly

In Roberto Cavalli.

Ashley Graham

In Bao Tranchi.

Petra Nemcova

In Georges Chakra.