From the red carpet to the streets, stars were out in full force over the weekend dressed to rock and shock in the best, worst & wackiest fashions and Breaking Celebrity News has all the photos in our weekend fashion roundup.

At the Los Angeles premiere of Rio, Leslie Mann dominated in a dreamy white Dolce & Gabbana gown. The blonde beauty looked ethereal in the crochet detailed summery maxi, which she perfectly paired with diamond and platinum jewels.  Anne Hathaway also rocked notable a la mode, showing off her hot bod in a sexy Gucci dress with sandals from the same collection.

Avril Lavigne has been rocking her Sk8er Girl look for over 10 years and she is in desperate need of a revamped image.  The 26-year-old singer attended a media call in Sydney wearing Dr. Martens boots with black leggings and a punky pink t-shirt.  Yawn.

And as for wacky fashion, whenever Bai Ling shows up to a party she is a shoo-in!  The bizarre star was dressed to shock in a very interesting dress, which featured album-looking attachés, to the premiere of Decisions and a Memorial Tribute to Corey Haim in Beverly Hills.