Who Says Garden Parties and Polo Matches Can't Be Sexy?

At the Glamour Women of the Year Awards, Alexa Chung's modest Dior LBD had an alluring surprise: a sheer bodice. And those sandals? It just doesn't get much sexier!

When in Maui . . . Emma Roberts got into the Hawaiian spirit at the Maui Film Festival by baring plenty of tanned flesh in Catherine Malandrino's white crop top and pencil skirt.

Amber Heard stopped by Stella McCartney's garden party in the designer's stringy, slinky cocktail dress.

Beyoncé looked seriously hot for a seriously important cause when she stopped by the Chime For Change anniversary party in a plunging jumpsuit.

Blake Lively took a page from Beyoncé's book and wore an equally seductive neckline to the same event.

Many people associate country music with sparkle and shine, but Carrie Underwood went a different route when she arrived to this year's CMT Music Awards in her printed gown. And though there wasn't a sequin to be found, this skin-baring dress was plenty flashy.

What a classic! Lupita Nyong'o caught our eye at the Veuve Clicquot Polo Classic in Alexander McQueen's sophisticated take on the sundress, which she complemented with dramatic extras including a straw hat and strappy sandals.

Just because she wore a gown to the CFDA Awards didn't mean Emmy Rossum couldn't find a way to show some skin.

At the AFI event, a seductive cutout and hue scored Sandra Bullock's Vionnet gown bonus points with us.

We couldn't help but get romanced by Marion Cotillard's airy, white Christian Dior shift at the CFDA Awards.