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Kate Walsh has a red hair secret: She uses three different shampoos to keep up the intensity of her auburn hue! “When you have hair that is colored and worked on every single day, you’ve got to spoil your hair a little bit,” the actress told InStyle.com. “And I don’t feel so bad because I read an interview with Sofia Vergara, where she said she uses eight!” Kidding aside, Walsh said her go-to is Bumble & Bumble’s True Red Color Support line ($23 each; bumbleandbumble.com). “Some shampoos for color-treated hair turn red hair a little pink, but Bumble & Bumble’s is a coppery red, which works great for me,” she said. “And I try not to wash it every day since red hair fades super fast.” See the redhead in a new episode of Private Practice tonight at 10/9c on ABC.

See more celebrity hair tips!

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Genetic Denim launched its first collaboration line recently, partnering with Nevena Borissova (inset), owner of the popular Curve boutiques in Los Angeles, New York and Miami, for a six-piece collection. The items, which she developed with the label’s creative director Ali Fatourechi, capture a popular trend on the spring runways: Seventies separates. “It is refreshing and light, and provides a nice contrast to the more dramatic looks we see throughout fall,” said Borissova of the trend. This is proven in her line, which includes a denim skirt, shirt, belted shirtdress, quilted corset top, cropped jean and bell bottoms (as seen on Kate Walsh). More

1. See People magazine’s Sexiest Man Alive alongside co-star Blake Lively in the new trailer for Green Lantern.  [HuffingtonPost.com]

2. Robert Pattinson and Kristen Stewart stripped down to swimsuits for a steamy Breaking Dawn scene. [PopSugar.com]

3. Kate Walsh’s “Boyfriend” scent sold out one day, but she’ll be back on HSN with more in February. [StreetInsider.com]

4. Check out the top red-carpet looks from French designers like Dior, Chanel, and more. [Life.com]

5. In other Francophile news, French makeup line Black Up Cosmetics will be sold online in the U.S. come December 1st. C’est belle! [BellaSugar.com]

6. Dsquared2 has a limited-edition collection of collars and leashes for your fabulous pup. Woof! [Yoox.com]