Despite the unseasonable heat wave warming up cities across the country, the most highly esteemed weather man in America has predicted six more weeks of winter.

After cautiously emerging from his hole on Thursday in front of hundreds of eager eyes and flashing photographers, Punxsutawney Phil, of Pennsylvania, cast a shadow, promising a dramatic reversal in the mild temperatures that have been 20 to 30 degrees higher than normal in many areas.

Known as Groundhog Day, the marmot has been making weather predictions every February 2 since 1887, but many avid followers don’t know the details behind the bizarre tradition beyond what they learned in the Bill Murray comedy classic of the same name, so RadarOnline.com has compiled seven essentials everyone should know about the furry critter’s national holiday.

Hollywood’s hottest stars were out in full fashion force over the weekend, hitting all the gifting suites, pre-parties and Golden Globes after parties in the best, worst and wackiest duds – and RadarOnline.com has all the photos.

At Art of Elysium’s 5th Annual Heaven Gala, Amber Heard brought out the bombshell in a gorgeously beaded Donna Karan gown and Rachel Bilson looked fab in a feathered mint green Chanel frock, while Kat Von D and Rain Phoenix both shocked with their red carpet a la mode.

PHOTOS: The Best & Worst Dressed Stars Of Golden Globe Weekend

From the red carpet to the streets, stars were out and about this 4th of July holiday weekend, dressed to rock and shock in the best, worst & wackiest fashions and RadarOnline.com has all the photos.

The Duchess of Cambridge (formally known as Kate Middleton) rocked classy couture all over Canada this weekend, but her best look of all was the Alexander McQueen cable knit sweater dress she paired with Prada heels for a ceremony at Province House.

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

Sotheby's Presents Chefdance is a series of dinners prepared by some of the top chefs in the country, pairing their food with Rosenthal Wines and Belvedere vodka, all for the delight of the filmmakers attending the Sundance Film Festival. Everyone had a blast at Friday night's kick-off dinner. And then there was James Franco!

PHOTOS:  James Franco Channels Three's Company

The 127 Hours star showed up as Chrissy from Three's Company.

It was all part of the legendary prankster's promotion of his documentary film, Three's Company: The Drama, premiering at the festival.

Franco was given the rights to redo the first three episodes of the 70's hit TV show, with a modern day twist.  His documentary was unveiled Friday at Sundance.

Sotheby's Presents Chefdance is a series of dinners prepared by some of the top chefs in the country, pairing their food with Rosenthal Wines and Belvedere vodka, all for the delight of the filmmakers attending the Sundance Film Festival.  Everyone had a blast at Friday night's kick-off dinner.  And then there was James Franco!

PHOTOS:  James Franco Channels Three's Company

The 127 Hours star showed up as Chrissy from Three's Company.

It was all part of the legendary prankster's promotion of his documentary film, Three's Company: The Drama, premiering at the festival.

PHOTOS:  Sexy Singles

Franco was given the rights to redo the first three episodes of the 70's hit TV show, with a modern day twist.  His documentary was unveiled Friday at Sundance.

Franco was joined by pals Andie Macdowell, Eliza Dushku and Rachel Leigh Cook, all of whom got into the spirit.

PHOTO: Life's A Drag For James Franco; His Gender-Bending Magazine Cover

He even sang along with the DJ after convincing him to don his own Chrissy wig.

Is this any way for an Academy Awards co-host to behave?  Definitely!

PHOTOS: The Sexiest Stars Of 2010

RELATED STORIES:

James Franco & Natalie Portman Among Nominees For The 2011 Spirit Awards

James Franco, Anne Hathaway To Co-Host Academy Awards

PHOTOS: Anne Hathaway And Other Stars At Valentine’s Day Premiere

Stars were out in full force this week, hitting swanky soirees, movie premieres and the streets in the best, worst & wackiest fashions! RadarOnline.com has compiled photos of all the rocking and shocking looks from Hollywood’s hottest celebs in the weekly fashion feature you don’t want to miss!

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

Jennifer Lopez knows how to spice up a photo op in sexy style!  The gorgeous Latina superstar and her hunky hubby Marc Anthony announced on Thursday that they would be creating a lifestyle brand with Kohl’s Department Stores, posing for pics at The London Hotel in Los Angeles.  J. Lo showed off her beyond covetable curves in a white hot Gucci cocktail dress, which she belted in gold and paired with Gucci python heels and Neil Lane jewels.  Talk about La La Lopez!

PHOTOS: Jennifer Lopez’s Fly Girl-To-Fashion Icon Style Evolution

Leighton Meester is not known for having the most smashing sense of fashion, but the Gossip Girl experienced her career low on Tuesday, hitting the Harry Winston Court of Jewels Recreation Launch in a totally sheer Marchesa lace jumpsuit!  Paired with Nicholas Kirkwood heels and Harry Winston jewels, the plunging neckline number landed her the title of worst dressed star of the week!

PHOTOS: Kate Middleton And Princess Diana—How Are They Similar And How Are They Different?

Prince William and Kate Middleton announced their royal engagement to the world on Tuesday.  The princess-to-be showed off her ring---Princess Diana’s sapphire and diamond stunner—in total trendsetting a la mode.  Wearing an impeccably draped Issa number, which perfectly matched her blue bling, Kate spawned a fashion frenzy.  The dress sold out within twenty-four hours!

PHOTOS: Stars Show Off Their Engagement Ring Bling!

High fashion hit Hollywood movie premieres.

PHOTOS: Stars Hit The Los Angeles Premiere Of Burlesque

Christina Aguilera brought out the bombshell for the Los Angeles premiere of Burlesque, wearing an emerald green strapless Elie Saab gown, while Anne Hathaway was dressed to impress at a New York screening of Love & Other Drugs in a white Valentino number.

PHOTOS: Bikini Bad Girls!  Trouble Makers Strip Down

As for wacky fashion…

PHOTOS: Hollywood’s Hottest Divorcees Bare All In Their Bikinis

Courteney Cox’s absence can be noted, just by taking a look at David Arquette’s wardrobe of late!  The separated star has been hitting the Hollywood club scene, up to his old attire antics.  On Thursday night, we spotted the Scream star hanging out with a little friend, wearing a LOVE tank top from his Propr collection, with a single suspender over his shoulder.

PHOTOS: Bikinis! The Most Ab Fab Stars In Hollywood

Nicki Minaj made sure to show off every curve on her body in skintight Pepto-Bismol pink threads, while Helena Bonham Carter was up to her usual and awful attire antics in London.

PHOTOS: Bikini Wars! Sexy Songbirds Battle It Out On The Beach

From Mischa Barton to Carey Mulligan, find out who looked fab and drab in RadarOnline.com’s weekly fashion feature.

RELATED STORIES:

PHOTOS: Chaz Bono Attends Burlesque Premiere To Support Mom Cher

PHOTOS: When Plastic Is Not Fantastic-Stars Who Went Under The Knife And Regret It

PHOTOS: Is Kate Middleton The New People’s Princess?

EXCLUSIVE DETAILS: Nicole Richie & Joel Madden’s Secret Wedding Revealed