From the red carpet to the streets, Hollywood stars stepped out in the best, worst & wackiest fashions this week, and RadarOnline.com has all the photos in our weekly roundup.

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

Anna Paquin vamped up her look for the premiere of Scream 4, scoring herself the best look of the week in a belly-baring Cushnie Et Ochs sleeved dress, while Kirsten Dunst brought frump to the pump landing herself the worst dressed title. And leave it to Bai Ling to up the wacky factor, dressing to shock in an awkward frock.

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Other style scores included Angel Alessandra Ambrosio in Emilio Pucci, Kate Middleton in a sophisticated (and sexy) vintage Amanda Wakeley suit and Gwyneth Paltrow rocking a sensational spring Alexander Wang ensemble, while fashion offenders included Melanie Griffith, Khloe Kardashian and Kelis.

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Who else was dressed to rock and shock this week?  Click here to find out.

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It was a glam-packed week for Hollywood's hottest stars, as they hit Paris Fashion Week, movie premieres and the streets dressed in the best, worst & wackiest fashions and RadarOnline.com has all the photos in our weekly fashion roundup!

Click Here To See Stars In The Best, Worst & Wackiest Fashions Of The Week

Jennifer Aniston headed to Mexico City to promote her Lolavie fragrance and brought her hot body and fabulous sense of fashion with her.  The former Friend shimmered in a stunning Valentino Couture one-shoulder dress, which she paired with Tabitha Simmons Dana heels, scoring herself the best look of the week.

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Oh, Vanessa Hudgens, didn't you pay attention to the fabulous fashions of New York Fashion Week?  Though the Beastly babe sat front row of nearly every show, she is still making the worst wardrobe choices.  On a gorgeous and sunny day in Los Angeles, Vanessa hit her all time low, wearing hot pink 1980's style biker short with a cropped tank, sweater and floppy boots, landing herself as the worst dressed star of the week.

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And Avril Lavigne upped the wacky factor, recycling her stale Skater Girl look for her NYC album launch.  The pop tart looked like she was headed to the prom, wearing a sparkly topped petticoat dress with Doc Martens.

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Michael Kors celebrated 30 years as a style icon with a star-studded Paris Fashion Week anniversary bash, where Jennifer Hudson showed off her startlingly slender figure in his navy blue curve-hugging gown and Amber Heard got slitty in a dangerously revealing nude number from his collection.

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Michelle Rodriguez got all glammed up for the LA premiere of Battle: Los Angeles, wearing a stunning Basil Soda one-shoulder gown on the red carpet. Though the look was nearly over-the-top, it was nice to see the tomboy actress looking so fem and fab in the startlingly stylish number, which featured an exaggerated shoulder.

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Pink experienced a maternity mishap, hitting the Los Angeles premiere of The Lincoln Lawyer wearing a sheer, feather patterned muumuu dress, as did Real Housewife of Miami Adriana De Moura, who wore metallic pants, which looked like they were constructed out of wallpaper from Versace's mansion, to the 18th anniversary party for Ocean Drive magazine.

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Who else rocked and shocked on the fashion front this week? Click here to find out.

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From the glam-packed parties of Paris Fashion Week to the red carpet of movie premieres in Los Angeles, stars were dressed in the best and worst fashions on Monday -- and RadarOnline.com has all the photos in our daily feature.

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

Jennifer Hudson showed off her perfectly formed hourglass figure at the 30th anniversary bash for Michael Kors at Paris Fashion Week. The American Idol rocked a navy blue gown from the iconic designer's collection, blinged out in gorgeous ice. Also at the style savvy bash was Drive Angry babe Amber Heard, who rocked an uber sexy, high slit MK gown with metallic sandals and Mary J. Blige, who looked ready to hit the dance floor at Studio 54 in a sparkly jumpsuit.

From inside the glam-packed tents of Mercedes-Benz Fashion Week to the hottest red carpet premieres, stars were dressed in the best, worst and wackiest fashion this week and RadarOnline.com has all the photos in our weekly feature.

Click Here To See The Best, Worst & Wackiest Fashions Of The Week

Diane Kruger always looks so fab in designer dresses, but has she ever looked this sexy?  The Unknown star hit the Los Angeles premiere of her latest flick, showing off her rock hard bod in an impossibly tiny Dolce & Gabbana lace mini, which was impeccably embellished in Swarovski crystals. She paired the 'price by request only' number with a pair of nude Brian Atwood heels for the best (and hottest!) look of the week.

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Vanessa Hudgens was impossible to miss this week.  The Beastly star took New York Fashion Week by storm, hitting nearly every Fall 2011 show in next season's fashions, and still had time to get inked in a tattoo parlor. Though some of her looks were luscious, the High School Musical grad experienced the biggest fashion flop of the week at courtesy of Anna Sui, hitting the designer's show dressed in a 1970's style pajama party ensemble.

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And leave it to Lady Gaga to up the wacky factor!  After her egg-celent entrance at the Grammy Awards on Sunday, she definitely woke up the country Thursday morning during a Good Morning America appearance, dressed up as a human condom.  Only the sassy singer would think to promote safe sex with such a creative costume!

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And while Elisabetta Canalis steamed up the Sanremo Music Festival in a slew of gorgeous Roberto Cavalli gowns, the latest flock of Sports Illustrated Swimsuit Edition bikini babes strut their stuff in tiny dresses promoting the annual issue, which hit newsstands this week.

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Blake Lively continued her reign as NYC's It Girl, hanging out at the Marchesa presentation with the brand's designer Georgina Chapman, flawlessly rocking one of her fab frocks, while Leighton Meester was colorfully clad in one of Marc Jacobs' latest looks, at his celeb-packed show.

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Helena Bonham Carter brought her wacky style to Berlin, promoting The King's Speech in one of her offbeat looks and Pink brought her bizarre maternity fashion underneath the Santa Monica pier, wearing a colorful and crazy maxi dress.

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Who else rocked and shocked on the fashion front this week?  Click here to find out.

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