Spring Fashion A-Z: G is for Guess

with a reputation for provocative ad campaigns and trendsetting denim, guess has stayed ahead of the curve for three decades strong.

Heidi Klum and Leni in NYC

Taking a break from strutting her stuff as a supermodel, Heidi Klum goes on a casual shopping trip Monday with her pretty-in-pink daughter Leni (who turns 5 on May 4) in New York City's SoHo neighborhood.

Jennifer Aniston in NYC

Another day, another scarf! Jennifer Aniston is all wrapped up Monday on the New York City set of her comedy The Baster.

Jessica Alba in L.A

Jessica Alba enjoys an icy beverage while heading to a hair salon on L.A.'s trendy Melrose Ave. during her day out with friends on Monday.

Kelly Ripa in NYC

Electrolux spokeswoman Kelly Ripa got into the spirit of the season when she helped launch the brand's new line of limited-edition kelly green appliances at Banchet Florist in New York City.

Beyonce in Blamain

Beyonce commanded attention in a military-inspired Balmain crystal embellished jacket during a night on the town with husband Jay-Z (not pictured) in New York City .

Drew Berrymore in Narciso Rodriguez

Drew Barrymore was in full glamour mode in an asymmetrical Narciso Rodriguez dress as she made the rounds in New York City to talk about the HBO movie, Grey Gardens. Barrymore will get all dressed up again tonight for the film's world premiere.

Chloe Sevigny in Opening Ceremony

Spring Shoe Trends: Jeweled Sandals

Rebecca Taylor Sandals Embossed leather and crystals, $295

Jill Stuart Sandals Patent leather and crystals, $248

Philosophy di Alberta Ferretti Sandals Leather, beads and rhinestones, $595

L.A.M.B. Sandals Leather and sequins, $240

United Colors of Benneton Sandals Leather and rhinestones, $89

Bo'em Sandals Leather and mother-of-pearl, $235

Apepazza Sandals Leather and stones, $135

Jessica Stroup in Beverly Hills

Living up to 90210's luxe zip code, the actress is chic in a flirty black frock with white accents and geometric slingbacks at the Paley Fest event in Beverly Hills.

Nicky Hilton in Matthew Williamson For H&M

The heiress goes cheap and chic in a peacock feather frock from Matthew Williamson's H&M capsule collection at Prive in Las Vegas.

Jessica Alba in Beverly Hills

Heading to a family brunch in her Easter best, the actress shows off her sweet side in a floral printed dress, gray cardigan and chain-strap tote in Beverly Hills.

Courteney Cox Arquette in Malibu

Also marking the Easter holiday,Courteney Cox Arquette chaperoned daughter Coco (not pictured) at a party in Malibu. Gwyneth Paltrow, Kate Hudsonand Matthew McConaughey also brought along their tykes for the Sunday bash, hosted by director Steven Spielberg.

Gwen Stefani in L.A

Gwen Stefani gave 7-month-old son Zuma a lift as they made their way home from a family Easter celebration in Los Angeles.

Robert Pattinson and Kristen Stewart in Vancouver

Robert Pattinson and Kristen Stewart rekindled their onscreen romance—asTwilight's Edward and Bella—on the set ofNew Moon in Vancouver, Canada.

Spring Fashion A-Z: F is for Fresh Face

in under a year, arlenis sosa has scored a major cosmetics contract and been taken under oscar de la renta's wing.

Spring Shoe Trends: Minimal Gladiators

Via Spiga Gladiators Metallic patent leather, $198

Dries Van Noten Gladiators Leather and silk, $585

Emporio Armani Gladiators Leather, $485

Cole Haan Gladiators Metallic kidskin leather, $140

Chanel Gladiators Patent leather and lambskin, $650

Calvin Klein Gladiators Leather and suede, $128

Banana Republic Gladiators Metallic leather, $98

Jessica Alba in Chloé

Miley Cyrus and Nick Jonas in West Hollywood

Exes Miley Cyrus and Nick Jonas hung out in West Hollywood Saturday.

Kim Kardashian in Manhattan

The reality star lights up the city in a sunny yellow mini dress topped with a black blazer and a statement necklace for a night out in Manhattan.

Sophia Bush at the Rachel Pally luncheon

Always the fashionista, the One Tree Hillstar lets her accessories do the talking, balancing her simple white tank and pleated skirt with a glam diamond necklace, skinny shimmering belt and luxe platforms at a Rachel Pally luncheon at the Chateau Marmont in L.A.

Katy Perry in NYC

The singer heads out in N.Y.C. in an unexpectedly conservative brown tweed coat, black flats and an updo – but adds a whimsical touch with a teddy bear purse strapped over her shoulder.

Spring Fashion A-Z: E is for Exchange

upgrade your wardrobe without dropping a dime by throwing a clothes-swapping bash.

Whitney Port loves her Chris and Jaime Coat

She may be more downtown than uptown, but Whitney Port shows off a preppy side in her favorite Chris & Jaime plaid coat all over The City.

Michelle and Matilda Williams in NYC

Wheeeee! Michelle Williams and a pal have a swinging good time with Williams's 3-year-old daughter Matilda on Friday while out for a New York City stroll.

Spring Shoe Trends: Boho Wedges

7 For All Mankind Wedges Leather, linen and wood, $298

Stuart Weitzman Wedges Nubuck and raffia, $375

Cynthia Vincent Wedges Leather with rope, $350

Bottega Veneta Wedges Leather, $1,290

Jessica Simpson Wedges Bamboo and canvas, $89

Miu Miu Wedges Leather and wood, $680

Frye Wedges Wood and leather, $228

Charles David Wedges Suede, $125

Spring Fashion A-Z: D is for Dream Team

get in line! charlotte ronson's debut collection for jcpenney is as chic as it is cheap.

Eva Longoria Parker at The West Hollywood dinner for designer Lyn Devon

Parker channeled the '70s at a West Hollywood dinner for designer Lyn Devon in a flower-power print blouseover bellbottom jeans. The Desperate Housewivesbeauty added platforms and shoulder-dusting hoops to the casual look. 

Lauren Conrad In L.A

Lauren Conrad showed off her cute creation at the Diet Pepsi House in Los Angeles. Conrad was among the celebrities who decorated Easter eggs—which will be up for auction at Clothes Off Our Back—to help raise funds for food assistance charity Feeding America. 

Liv Tyler in Paris

Liv Tyler makes a solid fashion statement in stripes during a Givenchy anniversary party at the Le Palais de Tokyo in Paris on Thursday. The actress has been the face of the Very Irresistible Givenchy fragrance since 2003.

Spring Fashion A-Z: C is for Coco Chanel

he mademoiselle of chanel lives on in superstylish homages on the silver screen.