This Is What to Wear to All Those Outdoor Summer Parties

The actress looked lovely in a bright yellow, belted Christine Alcalay maxivdress, which she paired with a little leopard purse.

We're green with envy over Frieda Pinto's Michael Kors look. This checkered dress would be perfect for both somewhat casual and fancy occasions.

Hannah's pretty patterned midi skirt is something everyone can pull off, and her collared tank makes her look superfeminine.

Joan's pleated, mock neck Alexander Wang dress would be the perfect shower outfit for any bride-to-be.

Diane Kruger's wide-leg, cutout Roland Mouret jumpsuit is the perfect amount of sexy and sophisticated.

Lindsay showed some leg in a striped Sophie Theallet dress.

If you're looking for something that'll keep you cool but is still slightly elevated, let Maggie Gyllenhaal be your guide. The star rocked an airy, light pink suit, which she style with a crop top and a pair of white sandals.

Rather than walk around the grass in heels, the model paired her all-white look with some flat Louis Vuitton espadrilles.

Model Kate Bock kept it pretty casual save for one elaborate detail: layering an on-trend bodychain under her crop top.

Leave it to Rebecca Minkoff to master the Summer look. The designer wore a printed sundress, some strappy sandals, and a fringe bag to the event.

We love the OITNB star's structured, suit-like dress, and her sunhat is just the right amount of flair to make it more fun than professional.

We can't help but swoon over Leandra Medine's white and red embroidered dress. It's a throw-on-and-go look that packs a powerful punch.

Candice's fringe-sleeved romper would be a great choice for any day of the week, but the star dressed it up with some platform sandals and a black belt.

Mindy kept cool in the sun by showing off her shoulders in an airy, patterned Shoshanna dress.

The Affair actress dressed down her culottes with a breezy white tank and some wedge sandals.