From the glitz and glamour of the hottest red carpet events to the city streets, Hollywood’s most talked-about stars were dressed to rock and shock on Tuesday – and RadarOnline.com has all the photos in our daily fashion feature!

After breaking down on the stage over the weekend, Jennifer Lopez made her first public appearance at a Los Angeles Best Buy store, looking absolutely to die for!

PHOTOS: The Best & Worst Dressed Stars Of The Day

The divine diva looked charitably chic in a pale blue Lisa Ho gown, which was criss-crossed in the front and back, and startlingly high Christian Louboutin heels, while she supported her Maribel Foundation with her sister.

Music’s sexiest stars hit the 2010 MTV Video Music Awards on Sunday in Los Angeles, dressed to rock---and shock in the Best, Worst & Wackiest Fashions. RadarOnline.com is bringing you all the action from the spectacular star-studded white carpet, where anything can happen---and usually does!

PHOTOS: Best, Worst & Wackiest Fashions At The MTV Video Music Awards

Leave it to Lady Gaga to show up in traffic stopping style! The sassy and wacky singer pranced down the carpet in a Pocahontas meets Medieval Times ensemble from the Alexander McQueen Fall 2010 collection, which she topped off with a feather Mohawk.

PHOTOS: White Carpet Arrivals At The MTV VMAs

Katy Perry skidded onto our Worst Dressed list, looking like a My Little Pony at the Ice Capades in her Spring 2010 Marchesa mini, which she “beautified” with multi-colored streaks in her hair.

PHOTOS: Worst & Wackiest VMA Fashions Of All Times

The Hills stars all looked fab in totally sexy style. Audrina Patridge (in Isaac Mizrahi) and Stephanie Pratt opted for super cute silver dresses, while Lo Bosworth brought out the golden girl with her Gabriela Cadena cocktail dress.

PHOTOS: Sexiest Style At The VMAs Over The Years

Who else shocked and rocked the white carpet of the 2010 MTV VMAs?  Check out the gallery and find out!

From the glamorous red carpet of the Venice Film Festival to the tents of Mercedes-Benz Fashion Week in New York City, the stars were out in full force this week in the sizzling and fizzling style.

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

Sarah Jessica Parker and Blake Lively competed for the title of fiercest fashionista at the re-opening of the Chanel Soho store. While the Gossip-worthy Lively dazzled in a purple and black Chanel Couture creation, the Sex and the City star opted for a nude and black number from the French fashion house's Resort 2011 collection.

PHOTOS: Stars Flock To Chanel Party During New York Fashion Week

When granny dresses up in Grunge it looks something like the not-so-stylish street wear Lindsay Lohan was sporting. If she doesn't watch it, she may get thrown back in the slammer by the Fashion Police!

PHOTOS: Star Gazing At New York Fashion Week

Julianne Moore experienced a bust in Balenciaga at an event for Fashion's Night Out in NYC, while Nick Nolte was Down and Out in Beverly Hills once
again, looking more homeless than hot.

PHOTOS: Katy Perry Loves Syren Latex Dress Fetish

We can't get enough of Katy Perry in her sexy Syren latex dresses, but enough of those red, white and blue Chanel ankle boots already!

And Dianna Agron's Glee-full relationship with Carolina Herrera continued to deepen, as the blonde beauty hit the 2nd Season and DVD Premiere Party of
her hit show, dressed to impress in yellow.

Who else rocked and shocked this week? Check out the gallery in Style to find out.

Gisele may not have been getting into car accidents on Wednesday, like her husband Tom Brady, but she was definitely causing them!  The sexy supermodel was in traffic stopping style in NYC, hitting the street in uber-tiny cutoff shorts, an easy, breezy blouse and gladiator sandals.  You know what they say: sometimes less really is more!

PHOTOS: Tilda Swinton, Thandie Newton, Kelly Ripa, Elle Macpherson, GwenStefani, Justin Bieber, Nick Nolte, Jody Watley, Michelle Williams, GwynethPaltrow, Claudia Schiffer, Kristin Cavallari, Annette Bening, Eva Mendes, Gisele, Lindsay Lohan, Julianna Margulies, Victoria Beckham, Jessica Simpson And Rebecca Hall In The Best And Worst

Gwen Stefani learned, however, that more can be too much!  The singer turned designer was No Doubt trying to be edgy with her eccentric ensemble, but experienced a fashion faux pas by wearing black nylons under her clam digger trousers!

PHOTOS: More Best And Worst

Gwyneth Paltrow was a black and white babe at Fashion's Night Out in London, dressed to impress in sophisticated style, while Claudia Schiffer's lunar-inspired dress was out of this world---but not in a good way!

Several celebs were spotted in NYC, where Mercedes-Benz Fashion Week kicked off Thursday morning. Victoria Beckham looked Posh in a green frock, while Kelly Ripa kept her look casually cool, jazzing up a figure flattering dress with impeccable accessories, including her beloved Birkin bag.

What star resurrected his Down and Out in Beverly Hills wardrobe?  Check out the gallery in Style and find out.