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Celebrity trainer and nutrition coach Kathy Kaehler visits homes of stars like Jennie Garth and Emma Roberts as part of her latest program, Sunday Set-Up. “You’ll have healthier meals, less stress and spend less money if you have everything ready to go,” says Kaehler, who shows clients how to prepare a week’s worth of healthy, organic meals in just an hour and a half. “It’s a smart, simple way to control what you eat.” Kaehler called her most recent Set-Up, with Rebecca Romijn, Amber Valetta, Angie Harmon and Julie Moran, “Cooking for a Cause” because it benefited Haiti. “I have the best girlfriends!” said Harmon, who hosted. “They all came together to help the people and children of Haiti.” More

Lady Gaga and Cyndi Lauper turned up at Lucky Cheng’s in New York City to launch their joint campaign as the new faces of MAC’s AIDS Fund and celebrate their new lipsticks: Viva Glam Gaga and Viva Glam Cyndi. 100% of the selling costs of the $14 lipsticks, a bright blue pink and a light coral red, goes to the MAC Aids Fund, which supports those affected by the disease. “I’ve been wearing MAC since I was 10 years old,” Lady Gaga said in a statement. “This is more than just makeup. Anything I can do to help raise money for HIV/AIDS awareness—that’s what I’m here for.” More

InStyle.com’s exclusive 2-day preview of Theory’s new e-commerce site is here! Be first to shop the spring collection, edited by some of fashion’s top stylists like Isabel Dupre, Kate Young and Tina Chai and watch behind-the-scenes videos of them at work. To preview the site, log in with username: storefront and password: be1. The first 200 customers who spend $350 or more will receive an exclusive Fashion Insider T-shirt (right) by entering promo code INSIDER at checkout.

Designer Diane von Furstenberg aims to empower women with the creation of the DVF Awards, an annual ceremony that recognizes the leadership and vision of influential women around the world. The first DVF Awards, which take place at the United Nations on March 13, will honor four women, including the recipient of the “People’s Voice” award. You can choose from five nominees and vote on dvf.com. “My son [Alexandre] really encouraged me to do this,” von Furstenberg told WWD. “He said, ‘It’s something that would be great for you to have. You inspire women.’”

Tommy Hilfiger tells us that his Fall 2010 collection is inspired by “playful prep.” Visit our Designer Central on February 18th to view the full collection.

Beyonce and Alicia Keys lit up the streets of Rio de Janeiro, Brazil to shoot the music video for their duet “Put It in a Love Song.” The talented pair didn’t disappoint with their wardrobe—Beyonce worked the patterns in floral hotpants and an ikat-print jumpsuit, while Keys accented her black-and-white print dress with a bright orange hairpiece. A video in Rio isn’t complete without a Carnival scene, where the songstresses donned elaborate headdresses and sashayed to the song’s thumping drum beat (right).

Michelle Smith tells us that Milly’s Fall 2010 collection is inspired by “the artsy chic girls of Paris’s Left Bank, a combination of luxe fabrics, clever techniques and cool attitude.”