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While we prefer to stay out of the whole Jon vs. Kate debate, we can’t stop talking about Kate’s hair. We’ve reported on the copycat cut phenomenon, asked our favorite hairstylists to suggest the perfect breakover and even given you the chance to try on the asymmetrical style. Now comes news that people are wigging out over the reality star’s hair as they plan their Halloween costumes. A friend at Ricky’s tells us they’ve sold thousands of More

Heidi Klum is really into Halloween and this year, she’s opening the doors for you to get in on the action—and into her famed Halloween party in Los Angeles. And the best part is, it’s pretty simple. Become a fan of Modelinia on Facebook, upload a shot of your best Halloween costume, and get your friends to “Like” it. The person with the most thumbs-up wins two tickets to the spookiest, most star-studded Halloween soiree in Hollywood.

Check out our favorite celebrity Halloween costumes.

Tonight Michelle Obama will appear on The Jay Leno Show to answer 10 rapid-fire questions, and our fingers are crossed one of them is “What are you wearing?” Last time she chatted with Leno (on The Tonight Show in 2008), Obama’s J. Crew ensemble made a big impact. “You can get some good stuff online!” the future First Lady said. When Obama kept warm at the inauguration a few months later in J. Crew leather gloves, the sheer number of style-watchers who headed to JCrew.com to buy the same pair caused the brand’s entire Web site to crash. We’re dying to see if tonight’s ensemble will also help stimulate the economy in the same way!

UPDATE! Michelle Obama ending up wearing same floral Thakoon sheath that got raves during the presidential debates—here’s to rotating your wardrobe faves!

Multi-talented Ivanka Trump is a very busy woman: she recently wrote a book, is currently filming a new season of Celebrity Apprentice, designs her own line of jewelry and has that little old day job as VP of Acquisitions for the Trump Organization. Still, she managed to add on planning a wedding to her list of responsibilities. But the once-in-a-lifetime event didn’t seem to faze her: “Planning has been so easy,” Trump told us. “I chose the floral arrangements, the dress, some food, some music and it was done!” This left one final detail to attend to though: her wedding jewels. The bride-to-be just revealed three pieces she’ll wear on Sunday, all from her namesake collection, including a $45,000 custom-designed hair accessory, gorgeous diamond drop earrings valued at $130,000 and a $90,000 Art Deco-inspired bracelet. She’s swathing her maids in Ivanka Trump jewels as well! Lucky ladies.

Check back here on Monday morning for more wedding-day details!

— Rachel Jacoby

It’s Friday, which means that it’s time to cast your vote in the People StyleWatch Who Looked Hot This Week poll. And the nominees are: Blake Lively in a sharp-shouldered Victoria Beckham Collection dress, Katie Holmes in an Azzedine Alaia skirt and perfectly-sheer top, Hilary Swank in a glamorous teal Vionnet gown, Demi Moore in a Jimmy Choo for H&M suede dress and Megan Fox in a red-hot halter dress and sexy pumps.

Watch the video and decide for yourself!

Hilary Swank’s turn as America’s darling of flight, Amelia Earhart, is breathing life back into aviation-inspired fashion. Months before the film’s release, we saw Earhart-inspired looks at the Fall 2009 Hermes show (far left) and now Bloomingdale’s is celebrating the icon’s pioneering style too, with a fall catalog and special in-store exhibits inspired by the film’s wardrobe. Aviator-chic has officially become full-blown trend for fall, so grab a rugged bomber jacket, throw on a printed scarf and aviator sunglasses and prepare be inspired by Amelia—in theaters today.