Fashion Key Pieces By InStyle Editors InStyle Editors Instagram Twitter InStyle's mantra is "Everybody's in," and that means anyone who finds their way to our stories should find themselves reflected in them. We prioritize bringing the right writer to every story and sometimes collaborate as a team to ensure we're including points of view across race, gender expression, body size, skin and hair type, and more. Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. For more about our team, click here. InStyle's editorial guidelines Updated on August 28, 2009 Pin Share Tweet Email Photo: Jon Kopaloff/FilmMagic; Brian Flannery/Flynet; Flynet Key Pieces 01 of 05 Cardigans Courtesy of Burberry; Jackson Lee/SplashNewsOnline.com; Sipa Sorry, Blair Waldorf, this round of button-downs was clearly inspired by our First Lady of fashion, Michelle Obama (right). Follow her lead and stockpile this staple in every color-button it up a la Liv Tyler (in Burberry, left), leave it open like Julia Roberts (in Dolce & Gabbana, center) or accessorize like Mrs. O. with a studded belt. Any way you wear it, this stylish sweater is guaranteed to be presidentially approved. Shop cardigans now! 02 of 05 White Shirts Ramey; Manuele M/Sipa; Ramey Blouse it out in romantic button-downs with feminine details. Both Naomi Watts (center) and Katie Holmes (left) gave a stylish touch to basic black suits with classic white shirts, while Kate Beckinsale (right) took her distressed denim to charm school with a ruffled design. Ageless and trend-proof, the versatile piece will last you for seasons to come. Shop white shirts now! 03 of 05 Day Dresses SplashNewsOnline.com; Roger Wong/INFphoto; Gina Boyd/Startraks Fitted and feminine, a day dress is utterly professional-and utterly sexy (think ladies of Mad Men). Cameron Diaz (center) got chic in one step with a belted number from Stella McCartney, while Angelina Jolie (in Ralph Lauren Collection, left) and Kelly Ripa (in Victoria Beckham Collection, right) showed off their shapes in sophisticated sheaths. Bonus: add a few accessories and pull off the tights for a cocktail-ready look. Shop day dresses now! 04 of 05 Bright Coats Mavrix; Jeff Vespa/WireImage; Fame Pictures Forget basic black-a fruit-hued topper is a surefire way to lift your mood while staying warm. Nicole Richie (left) wore a red Sonia by Sonia Rykiel peacoat, Eva Longoria Parker (right) finished her outfit with a cheery pink cover-up and Rachel Weisz (center) chose a turquoise boyfriend coat. Extra plus? Your standby neutrals will pop when paired with a high-octane hue. Shop bright coats now! 05 of 05 Leather Jackets Jon Kopaloff/FilmMagic; Brian Flannery/Flynet; Flynet Rev up your wardrobe with a biker-inspired topper that can be worn with absolutely everything. Miley Cyrus (left) added a cropped BCBG number to an after-dark fringed dress, while Jennifer Connelly (right) pulled the same trick with a quilted jacket and a delicate print skirt. Or, wear it for day like Jessica Biel (center), by layering a shrunken skin over a featherweight tank and skinny jeans. Shop leather jackets now! Was this page helpful? Thanks for your feedback! Tell us why! Other Submit