Jessica Alba  knows what it takes to be queen of the street style scene : an ample supply of cool-girl denim. During everything from coffee runs to family park days, Jessica has proved the power of denim separates, delivering an array of effortlessly cool ensembles time and time again. So, there really isn't a more fitting birthday tribute than a closer look at her jean-ius styling — just dust off your favorite denim pieces and add a street-chic twist with 92 Alba-inspired styles to scroll through right here.
Jessica doubled up on color and print donning a red-and-purple striped Splendid tank with a coordinating scarf and blue ballet flats in LA.
While running errands in Santa Monica, Alba showed a little country flavor in a gauzy button-down, cuffed denim, and studded cowboy boots by Isabel Marant .
Jessica Alba  doubled up on denim in a gray jean jacket and floral-print skinny jeans while heading to her Santa Monica, CA, office.
Jessica Alba  brightened her washed black denim with a high-wattage Kenzo  coat while attending Jessica Simpson 's baby shower in Beverly Hills. Husband Cash looked just as cool in his monochrome look.
Jessica layered up in a printed MiH blouse, a cropped woven jacket, and dark flared denim, then added a pop of flair via a red Tory Burch  tote.
While shopping around Beverly Hills, Jessica topped her white blouse and skinny jeans with neon pink Charles Philip  smoking slippers and a matching scarf.
Jessica layered a Spring Peter Som  coat over a silky blouse and skinny denim, then finished off with a pair of pastel lace-up sandals at the launch of her book, The Honest Life, in LA.
Jessica Alba  paired a bright pink sweater and matching scarf with washed black denim and a printed Christian Louboutin  tote after touching down in Miami.
Jessica stuck with an icy blue palette, donning a knit Paper Denim & Cloth  sweater and light blue denim. Ever the stylist, she injected a pop of print via floral slip-ons in LA.
Jessica exuded Spring in a floral Karen Zambos  maxi, a denim Genetic Denim vest, and a two-toned wrap scarf in LA.
Jessica Alba  was the picture of Spring perfection, rocking a bright yellow sweater, ripped denim, a hot-off-the-runway 3.1 Phillip Lim  purse, and chunky Zadig & Voltaire  moto boots in Santa Monica.
Jessica's all-black LA look was the perfect backdrop to make her leopard-print top and bright orange Tory Burch  tote really pop.
Jessica Alba  proved the power of a statement coat in a tweed H&M  creation, paired with dark skinnies, while shopping around LA.
Get sporty-chic inspiration from Jessica's park date style: an Opening Ceremony varsity jacket, wedge Isabel Marant  sneakers, and a navy Vince Camuto  crossbody. And of course, a pair of perfectly sleek boyfriend jeans.
On her way to her office in Santa Monica, Jessica mixed trends in a hot pink blazer, star-print denim, textured Rebecca Minkoff  boots, and her trusty Michael Kors  crossbody.
Jessica balanced her LA look — and breakfast treats! — in a boxy sweater and skinny indigos tucked into brown riding boots.
Jessica brought her C-game (major coat game, that is!) in a fur-trim Sandro  topper and wide-leg denim while dining at Matsuhisa restaurant in Beverly Hills.
Jessica continued her reign as the print-jean queen, styling a pair of Big Star houndstooth denim with a colorblock coat and cutout leather duffel, both by Gérard Darel, and Isabel Marant  sneakers in LA.
Even a rainy day can't damper Jessica's killer style. The model mom bundled up in a leather-sleeved military jacket by Sanctuary, fishnet-print Current/Elliott  denim, and leather Rupert Sanderson  ankle boots.
Jessica looked biker chic in a studded Simone leather jacket, star-print Current/Elliott  jeans, and a lime-green tote while wrapping up some last-minute Christmas shopping.
While heading to her Santa Monica office, Jessica showcased the perfect transitional outfit: a green anorak, wrap scarf, and pastel-print denim by Citizens of Humanity . She accessorized her sunny style with a suede Jimmy Choo  bag and mirrored Westward Leaning  sunglasses.
Jessica made a case for cargos, pairing them with trendy Isabel Marant  wedged sneakers and a printed scarf while grabbing a coffee in Beverly Hills.
Jessica's neutral Santa Monica style included a gray vest, charcoal silk tank, gray floral Current/Elliott  jeans, and matching caged sandals.
Jessica's polka-dot Current/Elliott  jeans lent a whimsical touch to her casual-cool LA look.
For a pedicure session in NYC, Alba swapped her colored denim for a classic jean jacket, preppy green pants, and a printed wrap scarf.
Jessica went back to the '80s, wearing a Jet by John Eshaya  sweatshirt-sleeved denim jacket with coral J Brand  jeans, a high ponytail, and turquoise shades in LA.
While out and about in LA, Jessica donned a printed button-down with red denim, perforated mules, and a sparkling Rebecca Minkoff  crossbody bag.
While strolling around NYC, Jessica accessorized her blue-on-blue look — chambray jacket and cuffed navy trousers — with a Tory Burch  fedora, tie-dye shades, and tricolor patent oxfords.
Jessica Alba  colorblocked like a pro in a pink Vanessa Bruno  blazer and Sanctuary turquoise jeans. She completed her LA pairing with a structured Prada  bag, aviators, and a white fringe scarf.
Jessica added a touch of edge to her black-and-white combo — a plaid Madewell  top, black denim, and matching ankle booties — by layering a cropped leather vest while out in LA.
Jessica showcased her effortless take on neon, working a pair of vibrant green Current/Elliott  ankle denim while arriving at LAX.
Jessica accessorized her neutral LA ensemble, including dark skinnies, with Isabel Marant  sneakers and a mini Proenza Schouler  bag.
The actress stepped out in LA, working a colorful striped sweater, ripped Level 99  denim, and suede buckled ankle boots. As if her off-duty style wasn't cool enough, she accessorized with a pink-and-orange Theodora & Callum  scarf, a yellow Longchamp  tote, and purple ankle socks for extra flair.
Jessica livened up her LA basics with a splash of red via Kate Spade  jeans.
The actress edged up her feminine polka-dot sweater with distressed denim and a black leather Simone jacket in LA.
Before heading to her Santa Monica office, Jessica gave her printed maxi the cool-girl treatment with a denim vest, metallic gladiator sandals, and a polished leather tote.
Who said neons and pastels can't be friends? Jessica married the two in a polka-dot Splendid blouse, hot-pink and yellow wedges, a white Gérard Darel crossbody bag, and mirrored Stun shades in Santa Monica.
Jessica Alba  strolled Beverly Hills in her favorite Jenni Kayne  pointed d'Orsay flats, mauve skinny jeans, and a lust-worthy two-toned leather Tod's bag.
While some may think purple is reserved for children, the actress made a stylish case for the vivid hue, working purple skinny jeans, an Aztec-print tank, and a sleek leather bag and tie-dye shades, both by Tory Burch , on her way to her Santa Monica office.
While grabbing lunch with her family in LA's Studio City neighborhood, Jessica donned a Genetic Denim vest, a blue printed maxi skirt, and a silver mirrored Dolce & Gabbana  bag.
Jessica doubled up on florals, styling printed Current/Elliott  jeans with an appliqué Prada  tote and adding a biker-chic touch via a black leather Two by Vince Camuto  vest and matching ankle boots at the SLS Hotel in West Hollywood.
Jessica Alba  took her LA basics — white Rails tank and dark blue denim — to new heights via a peach findersKEEPERS blazer and a floral Tory Burch  bag.
Jessica showcased yet another cool-girl style, pairing a cobalt Kate Frances blazer with gray star-print Current/Elliott  skinny jeans, black cage sandals, and a Cobra Society satchel in LA.
Jessica Alba  tamed her busy bottoms — floral-print Current/Elliott  jeans — with a simple blue tank, black Surface to Air caged sandals, and round retro sunglasses while grabbing coffee in LA's Studio City neighborhood.
Jessica showed off her gorgeous gams in a sheer printed blouse, denim cutoffs, and Dr. Martens  lace-up boots in Beverly Hills.
Jessica Alba  unveiled the perfect transitional ensemble in rose-hued Gap denim, a gray fur vest, and cream TOMS while enjoying some family time at a Beverly Hills park.
While arriving at LAX, Jessica Alba  showcased yet another stellar travel look: a denim jacket, satin jogger pants, a colorful printed scarf, and her Tory Burch  fedora.
Jessica debuted a casual pairing — purple skinny jeans and high-top python Barbara Bui  sneakers — while taking her leading ladies to Mr. Bones Pumpkin Patch in LA.
Jessica's travel style toes the fashion-meets-function line perfectly, as proved by her Heathrow look — crisp white blazer, wide-leg denim trousers, her go-to Tory Burch  fedora, and acetate shades.
Jessica Alba  injected a pop of pizzazz into her street style — a denim vest and rose-colored ankle jeans by J Brand  — with a bright orange Ralph Lauren  crossbody bag, multicolor Ferragamo flats, and blue Elizabeth and James  shades while enjoying an iced coffee in Beverly Hills.
Jessica Alba  played with proportions, donning a metallic Joe's Jeans jacket, peach skinny jeans, and a crisp white button-down in LA. She jazzed up her neutral pairing with snakeskin moto boots, a fuchsia Loewe  crossbody, and retro shades.
Jessica went bright for a mani-pedi session in NYC, working a striped Ann Taylor  sweater, Hudson yellow skinny jeans, and punchy nail polish.
Style so bright, she has to wear shades. While out and about in New York, Jessica paired her black separates with daffodil yellow denim and a pink Loewe  bag.
Jessica Alba  posed in a striped Tory Burch  blouse, denim trousers, and suede wedges outside of her Santa Monica office. To wrap up her office-ready look, it's all about her cat-eye shades and leather Longchamp  bag.
Jessica was all smiles in coordinating hot-pink denim and a leather Loewe  shoulder bag in Paris.
Jessica took on the '90s grunge trend in a studded Simone leather jacket, printed Current/Elliott  denim, and oxblood Dr. Martens  at Mr. Bones Pumpkin Patch in West Hollywood.
Jessica topped her cuffed trousers with a colorblock blouse, denim jacket, and structured Prada  tote in Beverly Hills.
Donning punchy denim, an open French Connection  jacket, and embellished suede booties, Jessica Alba  created an office-ready look that does double duty as a lunch date look.
For Honor's birthday party in LA's Brentwood district, Jessica donned a pin-striped MiH button-down with mint denim and casual TOMS.
Jessica showcased a patriotic pairing with a twist, in a red leather vest, turquoise denim, sparkling TOMS, and a polished Prada  tote in LA.
Even while running errands in LA's Brentwood, Jessica's Cali-cool style evokes serious style envy.
Jessica put a polished twist on the classic jeans-and-white-tee combo with caged Surface to Air sandals and a two-toned Tod's bag in West Hollywood.
Jessica Alba  topped her highlighter-blue denim with a Fluxus  tank and a J Brand  denim jacket while running errands. The actress accessorized her double denim look with a white crossbody bag, gray flats, and a blue leopard-print Theodora & Callum  scarf.
Jessica stuck with a blue color palette, pairing her wide-leg denim with a patchwork tank in LA.
Jessica evoked a '70s-glam vibe in a sophisticated Lisa Ho blazer, striped Tibi  blouse, and flared high-waist denim in LA.
Jessica maxed out her Milan, Italy, shopping trip in a cozy-chic knit, fur vest, and denim jacket.
Refresh your white tee and denim with a floral blazer like Alba's Tibi  topper.
Speckled metallic shades and matching Converse lent a touch of sparkle to Alba's LA style.
The fashion police must be calling to congratulate Jessica on a job well done after acing this textured look.
For an NYC coffee run, Alba chose wide-leg Goldsign denim, an unbuttoned chambray, and stacked Chanel sandals, accessorized with Ray-Ban  clubmasters and a chain-link watch.
During a chilly NYC outing, Jessica bundled up in a cream toggle coat, Tory Burch  riding boots, and a fur trapper.
We understand you're trying to be incognito Jessica, but that hot pink leather Ralph Lauren  jacket and those studded Isabel Marant  boots are the opposite of subdued.
While on her way to a birthday party, Jessica blossomed in floral Textile Elizabeth and James  denim.
For a February family park date, Jessica proved denim cutoffs shouldn't be restricted to Summer. She winterized her casual bottoms with a calf-hair Rachel Zoe  sweater, lace-up leather boots, and a dainty Kitsch y-chain necklace.
Cash Warren took his trendsetting lady — layered up in a cozy merino wool Inhabit cardigan, olive coat, and cuffed denim — out for a casual West Hollywood dinner. Alba completed her killer street style with neutral leather boots and a bold Tory Burch  tote.
Jessica's studded crimson Louboutin bag added a much needed pop of color to her menswear look: oversize boyfriend blazer and Rachel Zoe  ankle boots.
Could Jessica get any cooler? Answer: no. Alba hit the hair salon in a dual-texture Sandro  jacket, Vineyard Vines  plaid shirt, and Current/Elliot Fling jeans then accessorized with leopard driving loafers, a python Hunting Season tote, and wide-frame shades in December 2012.
Jess was the epitome of Fall, topping her moody mixed-print palette — a rich Cameo blazer, plaid Marc by Marc Jacobs  top, and leopard Tod's shoes — with a navy Janessa Leon fedora and classic DSquared2  leather tote.
Cruising Mr. Bones Pumpkin Patch in ripped boyfriend jeans, The Perfect Shirt by Current/Elliott , and gray ankle boots.