A draped gray sweater, slim jeans and his now-trademark mustache

BRAD PITT
Leaving his brood at home, the Curious Case of Benjamin Button star stays cool in a draped gray sweater, slim jeans and his now-trademark mustache while strolling through LAX.

Knee-high stiletto boots, skinny jeans and oversize tote

LAUREN CONRAD
The reality star is flawless in her knee-high stiletto boots, skinny jeans and oversize tote as she departs LAX.

Bright yellow Louis Vuitton

KATIE HOLMES
Flying in all white? No problem for this classically chic star, who tops off her outfit with a bright yellow Louis Vuitton purse, as she takes off from Nice, France.

Ivory Chanel gown, black one-shoulder gown

DIANE VS. KATE
The actress walked the red carpet at the Bambi Awards in Germany in her ivory Chanel gown, while the supermodel was feted at a VogueIcons event in Beijing in her black one-shoulder gown.

YSL dress , blue-and-black strapless dress.

BECKI VS. KYLIE
The Ugly Betty star kept it simple in her YSL dress at a fashion party in N.Y.C., while the singer launched her new perfume in Sydney in her blue-and-black strapless dress.

Newlywed paired her ivory 3.1 Phillip Lim blazer with cropped pants

SCARLETT VS. LINDSAY
The newlywed paired her ivory 3.1 Phillip Lim blazer with cropped pants at a Madrid photo call, while the leggings designer promoted her line in her black crystal-studded jacket in Los Angeles.

Nicole Miller dress, Trompe l'oeil dress over leggings.

JESSICA VS. BEYONCE VS. ELIZA
One dress, three stars, one week! The singer promoted her fragrance in Chicago in her Nicole Miller dress, while "Sasha Fierce" hit the stage in London in her trompe l'oeil dress over leggings. The actress heated up the red carpet in L.A. in her sparkling mini a few days later.

JEAN SHORTS AND TIGHTS

JEAN SHORTS AND TIGHTS
Can't bear to part with your cutoffs in the winter? Pair them with black opaque tights like Katie Holmes, Lily Allen and Kate Moss.

ONE-SLEEVE BLACK DRESSES

ONE-SLEEVE BLACK DRESSES
Amanda Bynes, Lauren Conrad and Jamie-Lynn Sigler take the one-shoulder trend one step further with their singularly sleeved little black dresses.

FULL-SKIRTED DRESSES

FULL-SKIRTED DRESSES
Amy Adams, January Jones and AnnaLynne McCord add extra emphasis to their '50s-style dresses with horizontal bands of pattern, lace and ruffles.

BOW-TOPPED DRESSES

BOW-TOPPED DRESSES
The proverbial cherry on top of these sexy one-shouldered dresses? The oversized bows, perfectly perched on the shoulders of Charlize Theron, Eva Mendes and Liv Tyler.

MULTICOLOR PRINTS

MULTICOLOR PRINTS
Last year's watercolor trend has given way to this year's art-print – a bold multi-hued look that owes more to Jackson Pollock than to Monet. Eva Mendes, Thandie Newton and The House Bunny's Emma Stone provide the perfect canvases for their bright sheaths.

ROSETTE HEELS

ROSETTE HEELS
Taking a bold, flowery step forward, Scarlett Johansson, Cameron Diaz and Eva Longoria Parker get a jump on spring with their sweet floral heels.

A short button-down shirt-dress, black tights

ANNE HATHAWAY
The actress shows off a little East Coast edge while making a coffee-run in Beverly Hills, wearing a short button-down shirt-dress, black tights and movie-star shades.

One-shoulder Balmain cocktail dress, black tights and Balenciaga shoes

SARAH JESSICA PARKER
Sex and the City's Carrie channels her onscreen character in a chic and sparkling one-shoulder Balmain cocktail dress, black tights and Balenciaga shoes for the opening night of the New York City Ballet.

White peacoat, matching beanie and colorful scarf.

MILEY CYRUS
The singer lights up the 82nd Annual Macy's Thanksgiving Day Parade in Manhattan in her white peacoat, matching beanie and colorful scarf.

Bold necklace tTheory dress , studded belt colorblocked dress

MILEY VS. KELLY
The Disney star adds a bold necklace to her Theory dress for the Bolt premiere, while the reality star added a studded belt to her colorblocked dress while running errands in L.A. a few days later.

Jenny Packham dress, Victoria's Secret fashion

VANESSA VS. PARIS
The High School Musical 3 star dazzled at the film's Melbourne premiere in her Jenny Packham dress, while the newly single star hit the Victoria's Secret fashion show in Miami in her tiered black one.

Polka-dot scarf, $70 dotted cardigan and $30 dotted T-shirt.

KATIE'S $30 T-SHIRT
Weeks before H&M's highly-anticipated collaboration with Commes des Garcons launched, Holmes stepped out in pieces from the yet-to-be-released line, including a $60 polka-dot scarf, $70 dotted cardigan and $30 dotted T-shirt.

Face-print T-shirt-pencil skirt

AUDRINA'S $66 SKIRT
Proving Lauren Conrad isn't the only fashionista on The Hills, Patridge pairs a trendy face-print T-shirt with a $66 pencil skirt from celeb-favorite brand LnA at a video game launch in Hollywood.

D G dress-plaid dress.

KIMBERLY VS. TAYLOR
The rock spawn heads out for a night on the town in London in her D&G dress, while the Gossip Girl star films a scene in character as Jenny Humphrey in her plaid dress.

Kaufman Franco mini -Jimmy Choo sandals

ELIZA VS. VANESSA
The Dollhouse actress belted her Kaufman Franco mini for an Entertainment Weekly party in N.Y.C. in May, while the The High School Musical 3 star pairs hers with Jimmy Choo sandals for a magazine party in the city in October.

Alberta Ferretti gown-one-shoulder gown

MISCHA VS. IVANKA
The actress modeled her Alberta Ferretti gown at the Cannes Film Festival in May, while the real estate mogul showcased her curves in her one-shoulder gown at the New York Library Lions gala in N.Y.C. this month.

Elizabeth and James dress

AMANDA VS. KHLOE
The Hairspray star was chic in her Elizabeth and James dress at a N.Y.C. premiere, while the reality star pairs her LBD with over-the-knee black boots for her sister Kim's birthday party in Las Vegas.

white-blue Black Halo dress

FERGIE VS. KATHERINE
The singer was white-hot in her Black Halo dress at a BET Awards afterparty, while the actress got the blues in her cobalt version at a store opening in Los Angeles.

Hale Bob dress, pairing it with shearling boots

BRITNEY VS. HEIDI
The pop star went for comfort in her printed Hale Bob dress, pairing it with shearling boots on her way back to L.A., while the model lent casual elegance to the same frock with chic ballet flats while picking up flowers in the city.

Navy Preen minidress-sequined frock

CHLOE VS. NATALIE
The actress sizzled in her navy Preen minidress at the Primetime Creative Arts Emmy Awards in September, while the Aussie singer chose her sequined frock for a charity party in London this month.

Stella McCartney poncho with skinny pants

PINK VS. LILY
The Funhouse rocker paired her Stella McCartney poncho with skinny pants for shopping in Paris, while the British singer used her oversized top as a dress for shopping in London.

Navy Temperley London gown

JENNIFER VS. JENNIFER
Same name, same gown! Garner hit the red carpet for the The Kingdom premiere in her navy Temperley London gown in 2007, while country star Nettles chose the white version for last week's Country Music Association Awards.

Diane von Furstenberg dress-green sheath

BECKI VS. PARIS
The Ugly Betty star showed off her petite figure in her Diane von Furstenberg dress at an N.Y.C. party for the designer, while the heiress struck a pose in her green sheath at a party for her Nylon cover in Los Angeles.

Full-length Mara Hoffman dress Victoria's Secret

RIHANNA VS. KOURTNEY
The singer stood out in her full-length Mara Hoffman dress at a pre-Grammys party in February, while the reality star wore the short version for the Victoria's Secret fashion show in Miami this weekend.

LOUBOUTIN BOOTIES

LOUBOUTIN BOOTIES
Never one to shy away from an outrageous shoe, Victoria Beckham adds height in stiletto platform Christian Louboutin suede booties everywhere, from the streets of L.A. to the London airport.

MULBERRY SATCHEL

MULBERRY SATCHEL
Even a growing bump can't hinder this fashionista's sense of style. The mom-to-be totes her Mulberry "Mabel" bag all over New York City.

BOTKIER BAG

BOTKIER BAG
Zac Efron makes for a mighty fine travel buddy, but Vanessa Hudgens relies on her chic Botkier "Morgan" fringed satchel to get her belongings around the world.

PATTERNED SHIRT DRESS

PATTERNED SHIRT DRESS
Jessica Biel loves her pink shirtdress so much that she has been sporting it for more than a year. We first spotted her wearing the dress while enjoying time with Justin Timberlake in Norway in June 2007, and she's still rocking it this week in L.A.

Short-sleeve T-shirt from Skin and Threads

AUDRINA PATRIDGE'S TOP
Where did Audrina Patridge get the top she's wearing in Star Tracks from Oct. 2? – Ciska Showing her environmental support, the Hills star adds to her laidback California style with a short-sleeve T-shirt from Skin and Threads, a celeb-loved, eco-friendly luxury basics line.

Brokedown OmniPeace T-shirt

EVA LONGORA PARKER'S T-SHIRT
Where is Eva's shirt from in Star Tracks? – Monica The actress makes a bold statement in her Brokedown OmniPeace T-shirt while running errands in L.A.

Gerard Darel black maxidress and YSL shades.

ANGELINA JOLIE'S SHADES AND DRESS
Please tell me where I can find those sunglasses and the dress that Angelina is wearing? – Belma After showing off her trim body-after-baby in a custom-made Versace stunner at the New York premiere of Changeling, the actress was back in New Orleans – and back to her chic and comfy style – in a Gerard Darel black maxidress and YSL shades.

Coach patent "Sabrina" satchel

HAYDEN PANETTIERE'S BAG
Please tell us where Hayden got the bag in the photo of her from Star Tracks. – Irina A new hair style wasn't the only thing Hayden was rocking while out in West Hollywood – check out her new arm candy, the Coach patent "Sabrina" satchel.

Super wide Juicy Couture jeans

JESSICA ALBA'S JEANS
Where can I find Jessica Alba's jeans from Star Tracks? – Michelle The new mom enjoys a stroll through Brentwood with husband Cash Warren in a pair of super wide Juicy Couture jeans.

Christian Audigier T-shirt

BRITNEY SPEARS'S T-SHIRT
I need Britney's "The One I Love" T-shirt! Who makes it? – Joanna Britney's love is clear – for herself. The pop star makes a loaded statement in an Ed Hardy by Christian Audigier T-shirt while out in L.A.

LNA fleece-lined hoodie.

LEIGHTON MEESTER'S HOODIE
Where did Leighton get the pink hoodie she is wearing in Star Tracks? It looks so warm and comfortable! – Mary Before changing into her fashionable on-set costumes, the Gossip Girl star keeps it cozy – and warm – in an LNA fleece-lined hoodie.

Polka-dot scarf

KATIE HOLMES'S SCARF
I love Katie's polka-dot scarf from the picture of her in the rain. Where did she get it? – Sara This style setter loves a bargain! The Broadway star rocks an H&M scarf (just $60!) from the store's collaboration with luxury fashion house Comme des Garcons. The lucky actress got her hands on the coveted line before it even hits stores.

Slinky Karen Zambos camisole

ANGELINA JOLIE'S CAMI
Can you identify Angelina's camisole in the photo of her at the Hollywood Film Awards? I have been looking for a dressy one like that forever! – Daisy While paying tribute to Clint Eastwood, the Changeling actress looked as classic as ever in her slinky Karen Zambos camisole.

Stella McCartney skirted coat

KATE HUDSON'S SKIRTED COAT
Where can I find the coat that Kate Hudson is wearing in the London airport? – Lauren Getting ready for the London chill, the actress wraps up in a Stella McCartney skirted coat on her way out of Heathrow airport.

A pair of Blank "Legit Splatter" skinny jeans.

HILARY DUFF'S RIPPED JEANS
What brand are the paint-splattered jeans that Hilary Duff's wearing in this Star Tracks photo? They're awesome! – Ella The young star jumps on the destroyed denim trend in a pair of Blank "Legit Splatter" skinny jeans.

Roberto Cavalli "Apple" bag

VICTORIA BECKHAM'S BAG
Can you please tell me what bag Victoria Beckham is carrying in the Star Tracks picture of her shopping with Cruz? – Melanie Cruz Beckham isn't the only apple of Victoria's eye – the stylish mom also has her Roberto Cavalli "Apple" bag.

"Eliza" vest

RIHANNA'S VEST
Where did Rihanna get the vest she is wearing in the photo of her shopping with Chris Brown? – Dayna Staying true to one of her favorite brands – Mary-Kate and Ashley Olsen's Elizabeth and James – the singer chooses the "Eliza" vest for a shopping trip with her boyfriend.

KATHERINE HEIGL'S SCARF

KATHERINE HEIGL'S SCARF
I love the scarf Katherine Heigl is wearing in Star Tracks! Can you tell us where to get it? – Laura The Grey's Anatomy star gets up close and personal with a tiger in her plaid Inhabit scarf while visiting the Villalobos Rescue Center in L.A.

LAUREN CONRAD'S SWEATER

LAUREN CONRAD'S SWEATER
I was wondering where I could find the sweater that Lauren Conrad is wearing in Star Tracks. – Kacie The Hills star trades her signature girly look for college co-ed style in an LinQ sweater, PRVCY jeans, Chanel tote and glasses while going on a lunch date in L.A.