Stars in Fall Trends

She may be an R&B chart-topper, but Rihanna's always a rock star when it comes to cutting-edge style. A studded leather jacket from Gucci added attitude to a full-skirted ensemble from the line.

Shop rocker looks here

Get Smart

star Anne Hathaway rocked a single-shoulder design from Sophia Kokosalaki. She kept her leather ladylike with classic black pumps and a curled coif.

Shop rocker looks here

Gossip Girl

lead Blake Lively dressed up her skinny jeans and Henley tank with a navy and white jacket from Smythe. Gold buttons on the double-breasted blazer added nautical flair.

Shop tailored jackets here

Gwyneth Paltrow

was all business on this red carpet, the actress topped her heather gray shift with a military-style jacket, putting a serious spin on the strapless dress.

Shop tailored jackets here

Wearable art never looked so fresh. As Leighton Meester (in Chloe) demonstrates, the clothing should be the focus when it comes to wearing an artsy piece. Keep jewelry, shoes and other accessories minimal to let your artwork shine.

Shop artistic looks here

This bold trend must be worn with confidence, as Lucy Liu did in her Oscar de la Renta brush-stroke frock. Fine-art fashion extends to accessories as well, which is a better bet if your style is a bit more subdued.

Shop artistic looks here

Emma Watson

looked refreshingly girly in a white lace dress by Charles Anastase. Satin fabrics and ruffle details also work to capture this feminine look.

Shop feminine looks here

Friday Night Lights

stunner Minka Kelly put a feminine twist on a classic ensemble by pairing a white ruffle top with a sleek black pencil skirt. The actress kept the look modern with luminous makeup and a smooth updo.

Shop feminine looks here

Grey's Anatomy

stunner Ellen Pompeo brought Katherine-Hepburn style to the sidewalk in wide-leg trousers from J. Mendel. A simple cream halter added a feminine touch to the menswear-inspired pants.

Shop high-waist pants here

Camilla Belle

was an updated Annie Hall in rib-grazing trousers from Giorgio Armani. A tucked-in tank and leather blazer kept the silhouette strong and sophisticated.

Shop high-waist pants here

Skip all-over pastels-this autumnal update requires a darker palette. The gray hues in Nicole Richie’s Dries van Noten gown render it a sophisticated and perfectly appropriate choice for an evening affair.

Shop floral looks here

Flowers are no longer just for spring! Make the look fall-appropriate by adding heavier accessories-like Kristin Davis. The actress grounded her Michael Kors dress with a black bag and heels. Cover legs with black or gray opaque tights when the temperature drops.

Shop floral looks here

Gossip Girl

Michelle Trachtenberg

oozed sophistication in the high-waist Chanel skirt she wore to the design house's boutique opening in L.A. The young starlet's solid tank and pumps let the crystal-detailed skirt take center stage.

Shop full skirts here

Penelope Cruz

was very much a lady in a ruffle knit top, Oscar de la Renta pleated skirt and peep-toe pumps. The actress stayed true to her romantic style here in New York.

Shop full skirts here

Create a relaxed yet chic look like Gossip GirlBlake Lively's by pairing an oversize sweater with skinny pants and pumps. If skinny pants aren't for you, achieve the same look with a short skirt and tights.

Shop chunky knits here

Take a cue from Julianne Moore and try a chunky-knit cape (hers is YSL) over a dress, instead of a jacket or wrap. This will keep your cocktail ensembles looking fresh and modern all season long.

Shop chunky knits here

Claire Danes

shimmered in a draped and belted dress by Gucci. Matching metallic sandals and diamond bracelet made the dazzling frock even more golden.

Shop metallic looks here

Rihanna

stepped out in a silver bow-tied mini from Dolce & Gabbana. The trendsetting singer wisely kept her accessories simple, not to compete with her reflective dress.

Shop metallic looks here

Towering heels aside, Liv Tyler looked comfortably cool in a Stella McCartney dress. The actress effortlessly rocked the striped frock while bunching up the sleeves and utilizing the low-slung pockets.

Shop slouchy looks here

Fergie

’s LBD is anything but basic. The slouchy draping and keyhole gives a nod to sexy, while the leather catch keeps it edgy. The songbird added a touch of glamour to the look with a diamond cuff and jeweled heels.

Shop slouchy looks here