Just because they are rich, famous and have extensive access to the hottest designer duds, doesn’t mean that Hollywood’s hottest have good taste when it comes to their clothes.

From the big ticket movie and television show premieres to the most stylish, celebs like Cameron Diaz, Katy Perry, Emma Stone and Rita Ora were dressed to rock and shock this week.

Find out who were the style winners and sinners in Popdust’s weekly photo feature.

PHOTOS: Check Out The Past Week's Celebrity Best Dressed Winners And Sinners