BEST: Liv Tyler rocked a fab Stella McCartney polka dot frock to her
designer pal’s event at Saks Fifth Avenue in NYC.

WORST: Amanda Michalka missed the a la mode mark at Nylon’s Young Hollywood
Celebration in LA, wearing a bra-baring party dress.

BEST: Demi Moore looked professional-chic at the A+E Upfronts in NYC,
rocking bright red trousers with a Kimberly Ovitz tank, and Elise Overland
trench, Tabitha Simmons sandals and Cartier bling.

WORST: Some things never change, like Nikki Sixx’s bad fashion sense.

BEST: Emma Roberts rocked a lacy and racy Elie Saab number with suede cutout
heels, while hosting Nylon’s Young Hollywood Celebration in LA.

WORST: Shenae Grimes looked hippy dippy at Nylon’s Young Hollywood
Celebration in LA.

BEST: Paula Patton showed off her super stems, rocking an uber short, sheer-sleeved Moschino gold-embroidered mini with metallic Brian Atwood platforms to the Los Angels premiere of Jumping the Broom.

WORST: Christina Aguilera may have The Voice‹but she doesn’t make the best
choices when it comes to fashion.

BEST: Christina Ricci showed off her curves in a body-con Dolce & Gabbana
dress The Academy of Motion Picture Arts and Sciences Tribute to Sophia
Loren in Los Angeles.

WORST: Ashley Olsen got drenched in unflattering fashion, braving a rainy
day in NYC by wearing layer after awkward layer.