A Lively Mishap
At the Miss Sixty fashion show in fall 2008, S makes the mistake of wearing this godawful pantsuit.
Pout Some More, Taylor
Judging from her expression, she'd rather be anywhere than the red carpet. Regardless, Miss Momsen has chosen a beautiful Marchesa gown for amfAR's Fashion Week gala.
Gossip About This
How jealous are you of those legs? Blake rocks the Adam shorts jumper with nude Christian Louboutin peep-toe pumps at the CW upfronts in May 2009.
Dressed in a Collage
Leighton shows up to the 2008 CW upfronts in a sack apparently designed by 5-year-olds.
Trip Down Memory Lane
Michelle Trachtenberg, did you miss the memo? Lisa Frank products do not belong on your body. (Although we might have given you a pass on this one if you were carrying a Trapper Keeper.)
Lady Leighton
This Nina Ricci mini is a winner on Queen B. What a beaut. We're speechless.
Blair Waldorf Would Be Proud
Leighton stuns in this classy Jay Godfrey dress at Reebok's Freestyle World Tour Collection event in February 2008.
Leighton Plays Cleopatra
Good thing the Upper East Sider has such great extremities—otherwise, this shapeless tunic would be incredibly unflattering.
We Likey
Blake's decision to sport a Smythe jacket, Tory Burch jewelry and Chanel shoes to the Gossip Girl event at the 2008 Paley Television Festival earns an A+ from us.
Arrrgh, Matey!
Apparently Blake turns into a pirate when she drinks VitaminWater. Sound off on this shipwreck below.
Blake Goes Back in the Day
We're not sure who picked out this outfit, but IOHO, velvet skirts were only cool for middle-school holiday concerts in the '90s.
Anything but Serene
Blake misses the boat at the Australia premiere.
Blake in Ralph Lauren Black Label
During New York Fashion Week last February, the actress sports a fitted gray cashmere dress and a cognac-brown leather jacket. And might we add...the hair! We love her hair!
Taylor Momsen at the Transformers 2 Premiere
The youngest Gossip Girl transforms into someone far older than 15 in this Dolce & Gabbana frock.
Leighton Tries a Pantsuit
Queen B pairs some shorts with a Jil Sander blazer at the 2009 CW upfronts.
A Creation by Edward Scissorhands
We're sorry, Leighton, dear—it's probably the camera angle, but you look like a bobblehead in this picture from the MTV Movie Awards.

