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Devi Kroell, a favorite of stylish stars like Rihanna, Sienna Miller and Mary-Kate and Ashley Olsen, opened a flagship store on Madison Avenue. The N.Y.C. boutique stocks accessories like her must-have hobo, plus shoes and ready-to-wear. The store’s contemporary design creates “an airy, secluded space—after all time and space are still among the most precious luxuries in New York, ” Kroell said. We couldn’t agree more! Devi Kroell 717 Madison Avenue; 212-644-4499.

Shop the entire Devi Kroell collection at devikroell.com.

Before you get suited up in your real costume, we’ve got a little treat: Four Halloween-worthy hair try-ons from our Hollywood Makeover. Give our timely styles a spin, and get in the spirit.

Try on Anne Hathaway’s look from Alice in Wonderland!

Try on Farrah Fawcett’s iconic shag!

Try on Lady Gaga’s platinum bow hairstyle!

Try on Kate Gosselin’s asymmetrical crop!

Love it or hate it, you have to admit Marge Simpson has some serious mo-jo going on with her hair. And lately, the ladies in Hollywood have been taking note, like Debra Messing at an event in Beverly Hills, Katie Cassidy at the Hollywood Style Awards—even January Jones‘s character Betty Draper in a recent episode of Mad Men. Forget great lengths—this season it’s all about going to great heights. Think you’re ready to try the style? You’re in luck!

Try-on Katie Cassidy’s Marge Simpson-inspired look now!

You can’t ring in the Halloween weekend without the perfect pumpkin—and Hollywood’s hottest moms agree! Jessica Alba and her daughter Honor (wearing a stylish denim vest and plaid shirt!) were spotted pumpkin-picking in Beverly Hills and Gwen Stefani and her boys, Kingston (not pictured) and Zuma, scoured Hollywood’s favorite patch too! One thing’s for sure: Los Angeles is full of adorable pumpkins!

See stars best Halloween costumes
See our 10 costume ideas