100 Ways to Wear Denim, Courtesy of Jessica Alba

Like most fashion icons, Jessica Alba has a signature style, rocking her fair share of denim throughout the years. From pairing loose layers with skinnies to adding some heels, she's showing us it's often the simplest of swaps that take jeans to the next level. And we're more than ready to steal her ideas.

Ahead you'll find 100 looks that prove Jess is the ultimate jean queen — she had a denim collab with DL1961 — along with hacks for amping up your own, ever-growing collection. Not quite your style? Not to fret: Gigi Hadid's also a pro at rocking this pant style, so just take your pick!

— Additional reporting by Mandi Villa

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Jessica attending a Lakers game with Gabrielle Union in matching outfits: turtleneck sweaters, wide-legged jeans, and heels.

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This might be the perfect Spring look. Jessica is wearing a pair of kick-crop jeans with a chunky heel, a wicker bag, and a high pony.

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Casual and chic — Jessica dresses up an everyday outfit with a blazer and a cardigan wrapped around it.

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Jessica goes for a stroll with her husband on a sunny LA day. She wears a casual denim jumpsuit with a neutral tank, cardigan, and sneakers.

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Jessica Alba stepped out wearing a pair of black skinny jeans, which she paired with a pink coat, a Bassike top, and a Rebecca Minkoff bag.

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A warm Winter styling hack that this star's a fan of? Tucking her skinny jeans into her booties.

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A patterned coat gave Jess's light bottoms a very '70s twist.

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The actress nailed the monochrome color combo in December '15, rocking her distressed jeans with orange and brown pieces.

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Jessica knows how to travel in style! She amped up a baggy pair of boyfriends with the help of a button-front shirt, a blazer, and pointy flats.

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A relaxed and somewhat unexpected way to top off white denim? With a chambray jacket, of course!

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Jessica's all about pairing her jeans with wide-brim hats, giving off a stylish yet laid-back vibe.

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Jessica made her superdistressed bottoms seem elevated by pairing them with a pretty, patterned tank and sandals.

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All black and a bit of gray makes for one chic and cozy off-duty ensemble.

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These paint-splattered boyfriend jeans really added a bit of flair to this simple, everyday outfit combination.

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Jessica proved that it's possible to match your SO without seeming so cheesy. All you need are a gray top and medium-wash denim, and you're set!

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At the airport, Jessica layered her shirts and coat over a distressed pair of skinnies, completing the look with shiny black booties.

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Sometimes all you need are a white tank top, a cool pair of flares, and a suede bag to create an on-trend ensemble.

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An A+ hack for adding more oomph to your denim look? Tying a flannel around your waist.

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Stepping out in NYC, Jessica finished off her double-denim look with a white pair of heels.

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Jessica gave her flares a bit of a rock-star vibe with a graphic tee and some shades.

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Jessica took her black jeans beyond basic with the help of a statement belt, pumps, and, of course, a blazer, which she then draped over her shoulders.

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The classic combination of a white shirt and jeans always works wonders — especially when you add a cute pair of mules!

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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.

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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.

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Jessica Alba doubled up on denim in a gray jean jacket and floral-print skinny jeans while heading to her Santa Monica, CA, office.

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pJessica 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.

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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.

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While shopping around Beverly Hills, Jessica topped her white blouse and skinny jeans with neon pink Charles Philip smoking slippers and a matching scarf.

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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.

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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.

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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.

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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.

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Jessica's all-black LA look was the perfect backdrop to make her leopard-print top and bright orange Tory Burch tote really pop.

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Jessica Alba proved the power of a statement coat in a tweed H&M creation, paired with dark skinnies, while shopping around LA.

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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.

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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.

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Jessica balanced her LA look — and breakfast treats! — in a boxy sweater and skinny indigos tucked into brown riding boots.

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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.

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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.

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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.

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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.

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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.

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Jessica's neutral Santa Monica style included a gray vest, charcoal silk tank, gray floral Current/Elliott jeans, and matching caged sandals.

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Jessica's polka-dot Current/Elliott jeans lent a whimsical touch to her casual-cool LA look.

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For a pedicure session in NYC, Alba swapped her colored denim for a classic jean jacket, preppy green pants, and a printed wrap scarf.

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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.

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While out and about in LA, Jessica donned a printed button-down with red denim, perforated mules, and a sparkling Rebecca Minkoff crossbody bag.

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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.

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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.

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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.

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Jessica showcased her effortless take on neon, working a pair of vibrant green Current/Elliott ankle denim while arriving at LAX.

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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.

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Jessica livened up her LA basics with a splash of red via Kate Spade jeans.

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The actress edged up her feminine polka-dot sweater with distressed denim and a black leather Simone jacket in LA.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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Jessica showed off her gorgeous gams in a sheer printed blouse, denim cutoffs, and Dr. Martens lace-up boots in Beverly Hills.

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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.

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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.

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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.

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Jessica went bright for a mani-pedi session in NYC, working a striped Ann Taylor sweater, Hudson yellow skinny jeans, and punchy nail polish.

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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.

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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.

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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.

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Jessica topped her cuffed trousers with a colorblock blouse, denim jacket, and structured Prada tote in Beverly Hills.

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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.

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For Honor's birthday party in LA's Brentwood district, Jessica donned a pin-striped MiH button-down with mint denim and casual TOMS.

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Jessica showcased a patriotic pairing with a twist, in a red leather vest, turquoise denim, sparkling TOMS, and a polished Prada tote in LA.

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Even while running errands in LA's Brentwood, Jessica's Cali-cool style evokes serious style envy.

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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.

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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.

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Jessica stuck with a blue color palette, pairing her wide-leg denim with a patchwork tank in LA.

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Jessica evoked a '70s-glam vibe in a sophisticated Lisa Ho blazer, striped Tibi blouse, and flared high-waist denim in LA.

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Jessica maxed out her Milan, Italy, shopping trip in a cozy-chic knit, fur vest, and denim jacket.

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Refresh your white tee and denim with a floral blazer like Alba's Tibi topper.

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Speckled metallic shades and matching Converse lent a touch of sparkle to Alba's LA style.

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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.

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During a chilly NYC outing, Jessica bundled up in a cream toggle coat, Tory Burch riding boots, and a fur trapper.

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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.

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While on her way to a birthday party, Jessica blossomed in floral Textile Elizabeth and James denim.

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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.

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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.

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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.

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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.

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Cruising Mr. Bones Pumpkin Patch in ripped boyfriend jeans, The Perfect Shirt by Current/Elliott, and gray ankle boots.