Jessica Alba appeared on The Tonight Show with Jay Leno last month wearing a 3.1 Phillip Lim sequined shirt dress (available from Net-A-Porter.com, $995) paired with black tights. Source.

Hot off the runway, this silver sequined double-breasted shirt dress from 3.1 Phillip Lim is a spring ‘10 take on tuxedo dressing. Pair it with killer heels and a clutch for high-shine evening style.

Kim Kardashian was seen wearing this Elizabeth and James
Blade Runner wool-blend jacket, (available from Net-A-Porter, $425) with Camilla Skovgaard T Strap Sandals with Cuffs (available from ShopBop.com, on sale for $276.50, regularly $395) while at the eBay holiday store opening on November 19th, 2009.

Italian born Rose McGowan was seen wearing this Miu Miu strapless bustier mini dress, (now on sale for $826 at Net-A-Porter, originally $1,180) while attending the 14th Annual GQ “Men Of The Year” Party.

Petrol blue technical satin strapless mini bustier dress. Miu Miu dress has a sweetheart neckline, a boned bodice, a pleated skirt, two front pockets and a concealed back zip to fasten.

Canadian Actress Rachel McAdams was seen wearing this Stella McCartney lace-detailed dress, ($2,895 from Net-A-Porter) while attending the 35th Deauville American Film Festival.

Black silk-twill dress with a sheer lace bodice and sheer nude mesh underlay. Stella McCartney dress has scalloped detailing at center, a grosgrain-trimmed empire line that ties in a bow at back, pleating at waist, cropped sleeves with scalloped cuffs, naturally occurring slubs in skirt fabric, side-slit pockets and an exposed gold-tone zip fastening through back.

Mariah Carey (with husband Nick Cannon) was seen wearing this Hervé Léger Stitch-Detailed Bandage Dress, ($1,800 from Net-A-Porter) while in Las Vegas.

Carve a svelte silhouette this fall in Hervé Léger’s hourglass-enhancing black stitch-detailed bandage dress. Add heavy-duty hardware and edgy ankle boots for a modern take on glamour.

Olivia Wilde was seen wearing this Stella McCartney
Stretch Lace-Paneled Dress, ($1,995 from Net-A-Porter) while attending the 20th Anniversary of the Environmental Media Awards.

Slip into fall’s La Belle Époque trend with this classically shaped stretch wool and lace dress by Stella McCartney. Keep your silhouette simple with pumps and a clutch.

Rihanna was spotted wearing this Alexander McQueen
Asymmetric-stripe sweater dress, ($1,655 from Net-A-Porter) recently while in New York City.

Mischa Barton was seen wearing this Emilio Pucci Velvet and Tulle Paneled Dress, (available from Net-A-Porter, $1,860) at the Lacoste Fashion Show in Bryant Park.

Beth Ostrosky Stern was spotted wearing this RM by Roland Mouret
Scirocco Crepe Pencil Dress, (available from Net-A-Porter, $1,996) with black peep-toe Bow pumps at the 16th Annual QVC Presents FFANY Shoes On Sale in New York City.

Anne Hathaway was seen wearing this Marc Jacobs Silk Sequin Ruffle Skirt, (available from Net-A-Porter, $1400) at the 18th Annual Empire State Pride Agenda Fall Dinner in New York City.