From the glam-packed red carpets of international films festivals to the streets of NYC, stars were dressed in the best, worst and wackiest fashions this week and RadarOnline.com has all the hot and hilarious photos!

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

Keira Knightley scored our top honors for the swanky and oh-so-sexy Chanel Couture frock she rocked on the red carpet of the London Film Festival premiere of Never Let Me Go. The newly bobbed beauty, who was joined by her pixie perfect costar Carey Mulligan, paired the ivory-hued, cutout knit number with black satin platforms for a flawless finish.

PHOTOS: Keira And Carey’s Dazzling Day Of Fashion

If La Toya Jackson really does have psychic powers, wouldn’t she have been able to realize ahead of time, that gold spandex mixed with leopard print would land her as the Worst Dressed star of the week?

PHOTOS: The Best And Worst Bikini Boobs On The Beach

Adam Sandler had us humming to the tune of Aerosmith’s Dude Looks Like A Lady, dressed in drag on the set of his latest movie, while Mr. T resurrected his 1980’s camouflage A-Team uniform in NYC.

PHOTOS: Bikinis! Hollywood’s Sexiest Singles Strip Down

Jennifer Hudson and Hilary Duff both scored style points with their powerful purple fashions. While the former American Idol hit the stage of the Andre Agassi Grand Slam For Children Concert in Las Vegas in a gorgeous Michael Kors gown, the former teen star promoted her first book in NYC, wearing a sharp-shouldered Alexander McQueen pencil dress to perfection.

PHOTOS: Stars Get Hot In Herve Leger At Fashion Week

Marissa Miller, Hilary Swank, Elizabeth Hurley and Lisa Rinna all heated up the style scene in super sexy Herve Leger dresses this week. If we had to pick a wardrobe winner out of that gorgeous group, we would be at a loss.  Kudos to Max Azria for dressing all those fine females to impress!

PHOTOS: The Best Booty’s On The Beach

From the pumpkin patch to the tarmac, who else rocked and shocked on the fashion front this week?  Find out in RadarOnline.com’s weekly feature!

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Happy 4th of July weekend! What better way to get into the patriotic spirit, then to take a look back our favorite red, white and blue celeb fashions over the years?

Who can forget Heidi Montag, frolicking around the beaches of Malibu, California with then-love Spencer Pratt, wearing an attention-grabbing stars and stripes bikini.

In a splashy photo shoot, The Hills star definitely showed support for her country---and her new assets, which have been further enhanced since those glory days with her reality show lover!

PHOTOS: Celebs In Patriotic Style

Anna Faris' hubby Chris Pratt also paid a swimsuit salute to the USA during their wedding weekend in Maui last year, rocking skintight trunks, which definitely had beachgoers humming the Star Spangled Banner.

PHOTOS: 4th Of July Style Guide

Katy Perry clearly supports her homeland---and that of her future hubby Russell Brand. The sassy songstress recently stepped out in a latex mini, which was half stars and stripes and half Union Jack!

PHOTOS: Stars In The Best, Worst And Most Shocking Fashions Of The Week

Meryl Streep and Reba McEntire have both waved their flags on the red carpet, while Jessica Simpson and Ke$ha have gotten their message across with vintage t-shirts.

PHOTOS: Katy Perry¹s Latex Fetish

For more fun and funky 4th of July fashions, and RadarOnline.com's last minute must-haves for this holiday weekend, check out the galleries in
Style!