By Leah Ornstein - Breaking Celebrity News Style & Beauty Editor

From the red carpet of the hottest movie premieres to the city streets, Hollywood's hottest stars were dressed to rock and shock on Tuesday in the best & worst fashions, and Breaking Celebrity News has all the photos.

Magnificent metallic a la mode was on hand at the Los Angeles premiere of Sherlock Holmes: A Game of Shadows. Rachel McAdams dropped jaws in a stunning Marchesa gown from the Resort 2012 collection.

The big screen bombshell rocked Christian Louboutin heels with the floor-sweeping, cowl-backed dress. Noomi Rapace also dazzled at the star-studded event, wearing and awesomely embroidered Valentino gown.

Sarah Jessica Parker was looking extraterrestrial in the city, hitting Live with Kelly pairing her rose-hued Valentino number with bright aqua tights! She finished off the look with Jimmy Choo heels and House of Lavande bling.