Jessica Alba may have been wary of colored denim at first, but as these 77 flawless examples prove, Jessica has more than mastered the ever-popular trend. During everything from coffee runs to family park days, Jessica has proved the power of denim separates, delivering an array of Cali-cool ensembles time and time again. Though she has a soft spot for colored and printed jeans, Jessica has no problem playing double denim duty (yes, you heard us, denim on denim that looks amazing!), working her bold bottoms with jean jackets, denim vests, and chambray shirts. Her balance of fashion and function is not only inspiring, but easy to re-create with items you already have in your closet. So dust off your favorite denim pieces and add a cool-girl twist with 77 Alba-inspired denim, chambray, or jeans looks.
Cool-Girl-Approved Vests You Need in Your Wardrobe, Stat
Vests made a big statement on the Spring/Summer 2013 runways. Proenza Schouler, Isabel Marant, and 3.1 Phillip Lim made good use of this warm-weather layering piece, showing us everything from patchwork pieces to utilitarian styles. We've rounded up our favorite vests on the market right now, from eclectic finds to the must-have distressed vest. On Allison: BCBG Max Azria blazer, Club Monaco top, Cameo shorts.
Jessica Alba Pairs a Denim Vest With a Printed Maxi Skirt
While grabbing lunch with her family at Newsroom Cafe in LA over the weekend, Jessica Alba decided to wear her favorite Genetic Denim vest in a fresh way. She paired it up with a blue printed maxi skirt, a loose-fitting white tank, and statement accessories. A silver mirrored Dolce & Gabbana bag, tan wedge sandals, a blue necklace, and a bevy of bracelets completed her weekend style. Inspired by Jessica, sport your denim vest with your favorite printed maxi skirt for a stylish play on proportions. Then add spotlight-worthy accessories to jazz things up even more.

Jessica Alba Pairs Her Denim Vest With Colorful Printed Pants
While exiting the Brentwood Country Mart, Jessica Alba showed off her latest colorful LA style by working a Genetic Denim vest with a white tee and fabulous printed pants. Her accessories of choice — mirrored sunglasses, a shiny silver Dolce & Gabbana purse, and colorblock peep-toe pumps — were equally snazzy. If you're looking for a new way to rock your denim vest, consider pairing it with bold bottoms, like this pair we love from Mango ($50) or these from Tibi ($300). For a more cozy version, swap the tee for a long-sleeved sweater and the pumps for boots.

Diane Kruger Shows a Chic New Way to Wear Your Denim Vest
Diane Kruger was spotted on the streets of Toronto looking cool as ever in a lightwash Levi's denim vest, which she threw on over a knee-length striped dress. Her accessories — floppy hat, these metal Yves Saint Laurent cat-eye sunglasses ($300), a black chain bag, pinky ring, and gray suede lace-up booties — upped her casual-chic look majorly. To get Diane's look for your next city stroll, wear your denim vest with a striped dress, then accessorize with a floppy hat, vintage shades, and booties. Shop similar pieces below to get Diane's latest look.

Gwen Stefani's Classic-Rock Look: Cuffed Trousers and a Denim Vest
Gwen Stefani headed into a studio in Culver City donning an appropriate rock-and-roll look of white-trim cuffed A.L.C. trousers ($415) and a denim vest. We love how Gwen's denim topper and embellished mustard Christian Louboutin pumps added an unexpected edge to her business-like trousers, while her tortoiseshell shades and signature red lip upped the glam factor. A silver cuff, double-wrap necklace, and perfectly tousled top knot finished off her street style. Score Gwen's exact trousers to pair with a jean topper and yellow pumps for your next concert, or swap the vest and vibrant pumps for a crisp white button-down and red patent pumps for a lunch meeting.

Solange Knowles Tops Her Colorful Stripes With a Denim Vest
Solange Knowles is all about bright colors and prints, and her latest NYC ensemble proves that style fact to a tee. The eclectic DJ strutted her stuff in a colorful striped knee-length skirt, a blue circle straw bag, and the brown versions of these Ralph Lauren Collection lace-up sandals ($225, originally $750). A denim vest took Solange's look to much cooler heights, while Miu Miu's Extreme Catwalk sunglasses shielded her eyes with funky edge. Allow Solange to inspire you to mix your colorful stripes with a denim touch this Summer. Shop similar pieces, including Solange's exact shoes, to get started.

Selena Gomez Pairs a Denim Vest With Printed Shorts For a Day Date With Justin Bieber
Selena Gomez layered up in a graphic tee, denim vest, and printed shorts while spending the day in LA with boyfriend Justin Bieber. Her colorful Tolani scarf, bevy of Lisa Hoffman Beauty bracelets ($65), and a monogrammed Louis Vuitton bag amped up her Summer style, while her lace-up leather boots injected a touch of rock-n-roll. Re-create Selena's look with a graphic tee, denim vest, printed shorts, and moto boots for a day date with your beau, or push the envelope in a pair of liquid leggings when the temperatures cool down. Shop similar pieces to get Selena's look now.

Trend Alert: Denim Vests
Check it: there's a fine line between looking casual and casual cool. If it weren't for Kate Bosworth's denim vest by Current & Elliot, her gray tee would fall flat; pairing it with this essential piece pulls everything together in a snap. Pretty cool, huh? I like to wear my denim vests with frocks and billowy tops for a sweet, Bohemian vibe, but if that's not your thing, try it with a tank or simple tee, a la Bossie. However you do it, I guarantee hotness.
