From the red carpet of the Kids" Choice and the Academy of Country Music Awards, to the city streets of Los Angeles, New York, Milan and London, Hollywood's hottest stars were dressed to rock and shock over the past seven days‹and RadarOnline.com has all the photos in our weekly fashion feature.

PHOTOS: The Best, Worst & Wackiest Fashions Of The Week

Fresh from her breakup with Bradley Cooper, Renee Zellweger jetted over to Milan to introduce her handbag collaboration with Tommy Hilfiger to the world.  The big screen babe, who is usually photographed in casual outfits and workout wear, looked better than ever in a variety of the All-American designer's duds. Her best look?  An emerald green strapless cocktail dress (which flattered her petite figure to the max) paired with Christian Louboutin Pigalle heels.  Eat your heart out, Bradley!

PHOTOS: Sexy Celebs Who Have Good Taste In Bikinis And Bad Taste In Boys

Ashley Judd dropped a bunch of bombshells this week, releasing her tell-all memoir All That Is Bitter & Sweet.  The star shocked her fans even more, hitting a promotional book signing event in NYC, experiencing a severe make-up malfunction. Dressed in a frumpy floral dress and orange Mary Jane style heels, Ashley's fabulous face was drenched white powder.  Time to hire a new makeup artist!

PHOTOS: Bikini Bad Girls!  Trouble Makers Strip Down

And the wacky winner of the week by a landslide was sassy singer Nicki Minaj, who sported two equally eccentric looks, which could best be described as Marge Simpson-meets-Avril Lavigne circa 1981.

PHOTOS: The Best, Worst & Wackiest Fashions Of The 2011 Academy Of Country Music Awards

At the Academy of Country Music Awards, Taylor Swift took home the top fashion honors, wearing a gorgeous, mellow yellow Elie Saab gown and Neil Lane jewels, while Carrie Underwood looked powerful in Jean Fares Couture purple and Julianne Hough brightened up the nigh in a coral colored Randi Rahm halter gown.

PHOTOS: The Best, Worst & Wackiest Fashions Of The Kids Choice Awards

Over at the Kids' Choice Awards Miley Cyrus scored in a Dolce & Gabbana gown, while Taylor Momsen got grotesquely goth in Pretty Reckless attire.

Saoirse Ronan celebrated the release of Hanna, dazzling in a Chanel Pre-Fall 2011 frock, while Helen Mirren dominated the red carpet at the NYC premiere of Arthur, wearing a stunning look from the Lanvin Resort 2011 collection.

PHOTOS: The Best, Worst & Wackiest Fashions Of The Weekend

And Gwen Stefani and Kim Kardashian both experienced fashion flops in unflattering jumpsuits.

What other stars rocked and shocked on the fashion front this week?  Click here to find out.

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From the red carpet to the streets, Hollywood’s hottest stars were out in full fashion force on Wednesday dressed to rock and shock -- and RadarOnline.com has all the photos in our daily best & worst feature.

PHOTOS: Stars In The Best & Worst Fashions Of The Day

Saoirse Ronan hit the NYC screening of her haunting movie Hanna, dressed in dazzling fashion. The young actress rocked a gorgeously embellished Chanel Pre-Fall 2011 frock, which featured metallic polka dots, with strappy Jimmy Choo sandals, scoring herself the best look of the day.

From television’s most sizzling stars to smoking hot Victoria’s Secret Angels, stars were out and about on Wednesday, dressed in the best and worst fashions and RadarOnline.com has scored all the photos!

PHOTOS: Stars In The Best And Worst Fashions

Sofia Vergara is Modern Family bombshell!  The spicy Latina star slithered into a totally sexy Dolce & Gabbana lace-embellished pencil dress and hit the OMEGA Beverly Center Boutique Opening in Los Angeles, prowling down the press line in leopard print Prada platforms. Does it get any sexier than this?

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No question about it, Nicollette Sheridan is smoking hot, but her fashion sense is definitely walking the line of Desperate!  The 47-year-old actress hit the star-studded red carpet opening of the Devon Flagship Store in Beverly Hills wearing a 'what was she thinking’ ensemble, which consisted of a leather paneled coat dress, matte black tights and Pepto Bismol pink peep-toes.