Book Her
The G.G. star keeps it casual in textured shorts, a tee and blazer at Janie Bryant's book launch bash in New York City.
WTF, G.G.?
Part court jester, part Frederick's of Hollywood eveningwear, Leighton wears the world's most bizarre black lace jumpsuit courtesy of Marchesa for a Harry Winston jewelry party.
Blingey Blake
Blake blends with the bejeweled background in this dazzling bolero with gray mini and burgundy tights as she unveils the Swarovski star to crown the 2010 Rockefeller Center Christmas tree.
Country Kudos
Blair's alter ego tones down the outrageousness for the CMA Awards in this pretty Emilio Pucci print dress but doesn't lose her edge thanks to a killer pair of Jimmy Choo heels.
If Looks Could Kill
What else would you wear to a Tokidoki sneaker launch but black lace and boots that look like they could kill, of course.
Peek-a-Bra
Bonus points for the black lace Chanel dress at the CFDA Awards but the flesh-colored bra (which shows up under the photographers' lights) was a bad call.
Flower Power?
A floral crochet Marc Jacobs dress is the Gossip girl's pick for the Country Strong premiere in Nashville. Interesting.
Catwalk Copycat
Fresh from Vivienne Westwood's Fall 2010 runway, Blake tries to recapture the mismatched magic at the Realm Boutique opening in NYC.
Past Blast
Whoa. Meester suffers an '90s moment with this cropped top and mini at the Proenza Schouler show in NYC.
Dark Night
Momsen sticks to her traditional style—mini, thigh-high boots and black eyes—for the launch of Madonna's Material Girl Collection.
Queen B
At least Blake gets points for originality for this Lanvin halter dress with giant bee broach at the Scream Awards.
Ballerina Girl
Blake graces a Tiffany & Co. event in a black lace and burgundy tulle dress by Elie Saab paired with Louboutin heels that are almost a perfect match.
She's Got Legs
The blonde beauty flaunts her gorge gams in an Elie Saab mini while visiting The Late Show with David Letterman.
Sweet As Can Be
Leighton goes much cuter than Blair would ever allow in this floral Marc Jacobs dress at V magazine's New York issue party.
Naughty but Nice
At the Boston premiere of The Town, Blake models a more grown-up look. But the peek of lace adds a splash of sexy, making this Antonio Berardi dress a good mix of class and sass.
Late Night Lady
Garters, black leather and stripper heels...exactly what you'd expect to see on David Letterman's show. Not.
Blue Bird
A vibrant Blake visits Live with Regis & Kelly in New York wearing a heavily embellished Matthew Williamson jacket with a blue leather pencil skirt.
Canadian Cutie
Serena van der Woodsen's alterego hits the Toronto Film Festival to promote The Town—she'd be hard to miss in this red hot Chanel Couture dress embellished with roses around the hips.
Chanel Junkie
Miss Upper East Side hits Soho for the reopening of the Chanel boutique, paying homage to the design house in a striped and sequined Couture dress.
Ms. Meester If You're Nasty
Versus bustier dress. Good for Fashion's Night Out. Or a dominatrix dungeon. Whatever.
Totally Tribal
The Gossip star attends Fashion's Night Out in a bright and busy frock from Marchesa.
California Gurl
Leighton gets into the beachy vibe at the 2010 Teen Choice Awards in an Emilio Pucci tunic and pom-pom Louboutin heels.
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(Lack Of) Material Girl
At Madonna's line launch in NYC, Tay ditches the no pants trend but still manages to bare some skin, natch.
Daisy Don't
At the Twelve premiere, Blake supports her fellow G. Girl star (Chace Crawford), but doesn't do right by her fashion in this polka-dot-daisy sheer-panel Chanel mini.