62 Essential Style Lessons From California Girl Lauren Conrad

She wore all white to debut her fashion line at New York Fashion Week in September 2015.

Lesson from Lauren: all white works for any season.

She put a sophisticated spin on the LBD at an event in 2013.

Lesson from Lauren: you don't need color to stand out from the crowd.

She paired a pale pink dress with a white blazer in February 2015.

Lesson from Lauren: make a minidress work-appropriate by topping with something structured.

She wore an eye-catching yellow maxi dress to the 2015 Veuve Clicquot Polo Classic.

Lesson from Lauren: when it comes to a bold dress, simplicity is key.

She opted for a flirty floral dress at a fashion event in 2013.

Lesson from Lauren: find your print and keep rocking it.

She paired white jeans with a simple striped tank top.

Lesson from Lauren: choose a structured top for an elevanted spin on jeans and a tee.

Lauren opted for a floral shirt and printed miniskirt at the 2014 Veuve Clicquot Polo Classic.

Lesson from Lauren: sometimes a skirt and top combo works just as well as a dress.

Lauren was the picture of sexy sophistication at a Malibu Rum event in May — she wore a black collared dress with two thigh-high slits, which she paired with nude sandals and hot-pink lipstick.

Lesson from Lauren: make your monochrome look standout by incorporating a dash of sex appeal — like the perfectly placed slits in Lauren's maxi skirt.

Lauren Conrad arrived at Us Weekly's 2007 Hot Hollywood party in a kelly-green-and-orange embellished mini.

Lesson from Lauren: pair green with orange for an eye-catching color combo.

Conrad sparkled in an embellished silver minidress with matching sandals at the 2007 MTV VMAs in Las Vegas.

Lesson from Lauren: keep your add-ons minimal when wearing a sequined dress.

At the 2008 MTV VMAs, Lauren owned the red carpet in a plunging dual-texture mini and glittery peep-toe pumps.

Lesson from Lauren: juxtapose a sexy mini with a sweet updo for the perfect party balance.

At a 2008 Us Weekly party, the blond stunner wowed in a turquoise paillette creation and patent pumps.

Lesson from Lauren: every girl needs a pair of classic black pumps.

Lauren topped her flirty black minidress with breezy beach waves and a bow headband at the D&G flagship boutique opening in Beverly Hills in 2008.

Lesson from Lauren: turn up the sweetness with a bow accessory.

In 2008, Lauren went bold in a colorful creation at The Hills season four finale in NYC. Though we love her embellished mini, her faux bob is what really caught our eye.

Lesson from Lauren: instantly freshen up your go-to pieces with an unexpected hairdo.

Lauren cinched her breezy printed maxidress with a thin leather belt at the 2008 Teen Choice Awards.

Lesson from Lauren: a colorful maxi is a welcome change from standard minis.

LC opted for edgy glamour, topping her sequined dress with a leather bomber jacket at the Late Show With David Letterman in 2009.

Lesson from Lauren: don't be afraid to pair unconventional textures, as they create the coolest combos.

LC posed in a printed Lela Rose mini while sitting front row at the designer's show during New York Fashion Week in 2009.

Lesson from Lauren: accentuate your dress's embellishments with coordinating nail polish.

At the 2009 MTV Movie Awards, LC went goth glam in a ruffled rose-print Moschino dress and lace-up leather sandals.

Lesson from Lauren: swap your pretty party style for a punk-chic look — don't forget the dark red lip.

LC sparkled in this green sequined Alice + Olivia minidress in 2009.

Lesson from Lauren: for an updated party look, swap your basic black sequins for a gem hue.

LC went for a grown-up look for an Avon event in 2009, wearing a curve-hugging Hervé Léger dress and YSL Tribute pumps.

Lesson from Lauren: a red lip and coordinating nail polish oozes ladylike sophistication.

Lauren hit the town in polka dots and liquid leather in 2009 — we love the bright blue clutch!

Lesson from Lauren: sometimes it's all about the accessories.

Lauren looked sweet and business casual at a Lucky event in 2009.

Lesson from Lauren: a crisp blazer will refine any look.

LC channeled '40s-inspired chic for the VH1 Save the Music Gala in 2010 — she wore a gorgeous, low-cut blue Topshop dress and deep red lipstick.

Lesson from Lauren: it's not only about the dress when channeling Old Hollywood glamour — take it up a notch with a chic chignon.

While out and about in NYC, Conrad worked a bright yellow coat, complete with ruffle detail.

Lesson from Lauren: never underestimate the power of a statement coat.

Lauren looked red hot in body-conscious Hervé Léger for her book party in 2010.

Lesson from Lauren: a sexy silhouette in a look-at-me hue always makes a statement.

She wore a short-sleeved, draped blue BCBG Max Azria dress for a book signing in 2010.

Lesson from Lauren: pairing blue with black is no longer off limits.

Promoting her book in a psychedelic-print Nanette Lepore dress in 2010.

Lesson from Lauren: balance bold prints with streamlined shoes.

For the finale party of The Hills in 2010, Lauren wore a long-sleeved, printed Mandalay dress with nude pumps from Aldo.

Lesson from Lauren: give your printed mini a playful touch with a no-fuss ponytail.

Lovely in a white lace Marchesa dress for a book signing in 2010.

Lesson from Lauren: white lace is always welcome.

Donning a tan dress cinched with a yellow belt for an NYC event in 2010.

Lesson from Lauren: tan and yellow fuse well together.

For Teen Vogue's Young Hollywood party in 2010, Lauren sported an olive green Myne blouse tucked into high-waisted black shorts.

Lesson from Lauren: give your minidresses a rest and try a structured blouse and high-waisted shorts.

Sleek and sophisticated in a blue kimono top and scalloped shorts for an event in 2010.

Lesson from Lauren: play with proportions — a draping top and fitted shorts.

We're loving Lauren's cool 3.1 Phillip Lim high-waisted shorts.

Lesson from Lauren: cinch your high-waisted shorts to accentuate your fit figure.

At a 2012 book signing, Lauren posed in a watercolor maxi dress.

Lesson from Lauren: cinch your flowing dresses to create a sexier silhouette.

For the CoverGirl 50th Anniversary party in 2011, Lauren looked pretty and sophisticated in a nude silk wrap dress and Jimmy Choo heels.

Lesson from Lauren: monochrome is anything but boring.

For a Hollywood event in 2011, Lauren went edgy-cool in a pair of black leather Current/Elliott pants with a white blazer and drapey top from her Paper Crown collection.

Lesson from Lauren: leather pants inject rock-chic edge to any ensemble.

Lauren celebrated her 25th birthday in a bronze sequined Farah Khan frock and pretty ballerina bun.

Lesson from Lauren: sequins are a birthday essential.

Sweet, girlie florals for an Alice + Olivia launch party in 2011.

Lesson from Lauren: you're never too old to play dress-up (check out Lauren's Grecian headband).

Lauren sported a pretty cream-colored BCBG Max Azria paillette frock for an event in 2011.

Lesson from Lauren: don't be afraid to mix textures.

For the InStyle Golden Globes afterparty in 2012, LC wore a navy blue Paper Crown dress with strappy Jimmy Choo sandals.

Lesson from Lauren: every girl needs a LND — little navy dress — in her closet.

Lauren celebrated her 26th birthday in a bold blue sequined Alice + Olivia dress in 2012.

Lesson from Lauren: you'll be dance floor ready at any party with a sky-high ponytail.

Lauren took New York Fashion Week by storm in September 2012 wearing a slew of feminine floral looks — she paired this gorgeous Badgley Mischka dress with a ballet bun and red lipstick.

Lesson from Lauren: a floral sheath, nude pumps, and slick top knot are a winning combo.

Lauren attended Jenny Packham's Spring 2013 runway show in a flirty dress by the designer, which she paired with nude Christian Louboutin pumps.

Lesson from Lauren: coordinating your bag and shoes is no longer a fashion faux pas.

Lauren hopped on the leather dress train in a knee-length Johanna Johnson dress in 2012.

Lesson from Lauren: a leather fit-and-flare is equal parts edgy and feminine.

Lauren exited the NBC Studios in an aztec-print Tibi blouse and peach chiffon skirt in 2012.

Lesson from Lauren: double-up on pastels for a feminine combo.

For a ShoeMint event in 2012, Lauren wore a cream-colored lace dress with her beloved nude Christian Louboutins.

Lesson from Lauren: get a double dose of sweetness with a lace mini and bow belt.

On a 2012 promotional book tour, Lauren chose an orange Harlyn fit-and-flare to greet fans and sign copies in Bal Harbour, FL.

Lesson from Lauren: embrace Summer with an orange fit-n-flare.

Lauren was all smiles in a mixed-print Rebecca Minkoff maxi for NYFW Spring 2013.

Lesson from Lauren: black, white, and red is a trendy triple threat.

LC opted for a quirky printed Kate Spade fit-and-flare at the designer's Spring 2013 presentation during NYFW.

Lesson from Lauren: don't be afraid to capitalize on your love of cheeky prints.

Lauren Conrad got back to basics with a textured floral dress by Lela Rose and nude platform pumps at a book signing in NYC.

Lesson from Lauren: accentuate your gorgeous gams with leg-lengthening pumps.

Lauren rocked a crisp white-on-white ensemble (and a hot-pink ponytail) for a book signing in 2012.

Lesson from Lauren: white on white is crisp, clean, and chic.

Lauren showed off a sweet, sophisticated Topshop and Paper Crown pairing for a party in Beverly Hills in 2012.

Lesson from Lauren: a draping maxi skirt evokes elegance.

In 2012, Lauren exuded retro glamour in a black and white gown, red lip, and cascading curls, complete with jeweled hair pin, at the Susan G. Komen Foundation's Designs For the Cure Gala.

Lesson from Lauren: colorblocking is always a hit.

Lauren wore a bright yellow Yoana Baraschi party dress for a book signing at Barnes & Noble in 2012.

Lesson from Lauren: no need to over-accessorize a gorgeous dress.

We love Lauren's fun take on holiday dressing — she wore this Lot78 sweater with leather leggings and pumps in 2012.

Lesson from Lauren: aim to be fashionable and festive.

Lauren made an LA outing look completely chic in 2012 — she styled a cheetah-print from C. Wonder with black skinny jeans and flats.

Lesson from Lauren: a pop of leopard is paramount.

Lauren took in a day of errands in 2013, looking cute and enjoying the warm LA weather in a MINKPINK shirtdress and Christian Louboutin heels.

Lesson from Lauren: give structure to a printed shirtdress with a thin belt.

Lauren looked ravishing in a red cotton minidress and tan wedges for an outdoor Miami event in 2013.

Lesson from Lauren: when in Miami, do as the Miamians do — go for the bold.

For a Miami runway show in March, Lauren went Old Hollywood. She wore a black halter-style gown from Camilla and Marc, which she paired with red lipstick and '40s-style waves.

Lesson from Lauren: switch your classic LBD for a long black dress.

Lauren wore a strapless gown from her own Paper Crown collection on the red carpet at the Unbridled Eve Gala ahead of the Kentucky Derby in May.

Lesson from Lauren: bows can be sweet and sophisticated.

Lauren went all out for the Kentucky Derby in 2013, staying true to the dress code in a tan sheath dress from her Paper Crown collection. She paired the look with nude heels from her LC For Kohl's line, as well as a Derby-appropriate oversize hat.

Lesson from Lauren: embrace the occasion while staying true to your signature style.

Conrad was high tea ready in a blossoming Paper Crown holiday collection sheath for the launch of her BlueAvocado XO(eco) collection in September 2013.

Lesson from Lauren: lend a playful touch to your sophisticated sheath with a high ponytail.