Thierry Lasry

Memorial Day weekend marks the start of all things Summer — beaches, BBQs, block parties — and to help you prepare for the three-day event, we culled the perfect pieces for every kind of festive scenario. From J.Crew's chic white eyelet dresses to Opening Ceremony's whimsical gingham-print shades, see and shop our amazing picks.

Eva Mendes has jumped right into promoting her film The Place Beyond the Pines, and with it has come a trifecta of sexy-turned-sophisticated looks — all worn within the span of one day. From point A (stopping by The Daily Show With Jon Stewart) to point C (attending a private screening at MoMA), Mendes supplied us with the kind of Spring outfit fodder that's simple in execution, but altogether cool in effect. While her penchant for retro bombshell glamour was evident in both dresses (they're vintage!) and her go-to Thierry Lasry sunglasses, she never lets one aesthetic get in the way of easy styling and a classic finish. Plus, we love that Mendes can be counted on to repeat outfit pieces in a way that feels refreshed (and reworked). We're taking a closer look at all three ensembles, and breaking down the basics below.

Low-Key and Ladylike: With Spring here, it's perfectly OK to start the process of wearing your white-dress best. We love that she opted for a longer iteration, with feminine ruffles acting as the more lighthearted daytime accent. If you're looking to cultivate a similar look, pair your own long white maxi dress (Victorian-inspired or otherwise) with ankle boots and your favorite pair of sunglasses. Her soft-pink coat is a sleek top layer, but we know not everyone is into the girlier pastel hues. Thus, try a neutral-toned iteration instead — this textured jacket by Topshop Unique ($390) will do the trick.

Formfitting but Polished: For a totally chic take on figure-enhancing workwear, pair a peach-colored cap-sleeved shift dress, similar to Mendes's, and style it with a coordinating blazer and nude pumps. Yes, it's really that simple.

Animal-Print Appeal: The worry (sometimes) with jumpsuits and all-over prints is that it can be a little overwhelming. But Mendes's take on both trends offers ample breathing room for both styles to coexist peacefully and stylishly. By adding a wide Soledad Twombly belt at the waist, she broke up the exotic head-to-toe Chloé leopard print with something classic. Not to mention, the belt added more curve to her shape instantly. To finish, her brown Prada boots (repeat alert!) and quilted black clutch provided the more subdued "layer" to her evening-geared look.

Jessica Alba stepped out in NYC donning a Narcisco Rodriguez ensemble, colorblock dress and d'orsay pumps, that made heads turn. The actress punched up her already noteworthy look with blue Thierry Lasry sunglasses, a black Narcisco Rodriguez shoulder bag, and ladylike pearls. Use colorblocking to your benefit to accentuate your waist like Jessica in an eye-catching form-fitting dress, d'orsay pumps, and chic accessories, or test-drive the trend with skirts, tops, and pants. The simplicity of this Summer look can be used as the perfect day-to-night transition.

Jessica Alba strolled — and brightened up! — the streets of NYC wearing a bright-orange Loft maxi skirt with a hot-pink bra and blue printed Thierry Lasry sunglasses. While her exact skirt isn't available online, here is the tribal-print version ($80). She added pops of white via a sleeveless button-down Kymerah blouse, a Derek Lam crossbody bag, and strappy flat sandals. Other fun accessories in her Summer outfit included a pink beaded bracelet and a bevy of silver rings. Take a page out of Jessica's colorblocking look for your next city stroll by matching up your bright maxi skirt with an equally bold bra and sunglasses, then neutralizing them crisp white pieces.

Nicole Richie sported an edgy workout ensemble while leaving the gym in LA. Her "addicted to love" Chaser tee, Nike combat capris, and running shoes say serious sweat session, while her studded Simon Collection jacket, matching leather Givenchy bag, and Thierry Lasry sunglasses add a touch of flair. Shop now for Nicole's exact bag and capris with other like items.

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Lanvin's Batman Tee, Karl Lagerfeld's Green Lantern gloves, Roger Vivier's Catwoman boots

To honor the 75th anniversary of DC Comics, Colette's Sarah Lerfel has commissioned a collection of superhero-themed accessories to fill her Paris boutique windows. For the occasion Lanvin menswear designer Lucas Ossendrijver created a Batman Dog T-shirt, Roger Vivier designed Catwoman thigh boots complete with white whiskers, Karl Lagerfeld did jeweled and fingerless Green Lantern gloves, and Thierry Lasry whipped up a pair of Plastic Man shades.