The day's most nosh-worthy beauty, style, and celeb bytes from around the web.

—Contrary to rumors that Kate Midddleton uses extensions to fill out her signature mane (a recent close-up shot of her scalp revealed what some thought to be an extension track), the Duchess's hair is real. She does, however, sport a scar on the side of her head from a childhood surgery. Possible theories about the unspecified procedure range from birthmark removal to something 'very serious.' [E! Online]

—Nicole Richie is taking to her Facebook page to encourage girls not to dress inappropriately for Halloween. Great message. Ironic spokesperson? [US Magazine]

—The South African edition of Marie Claire has launched an aggressive ad campaign geared towards helping women to feel better about themselves. The visuals range from corpses on morgue tables to defaced Barbie dolls. [Jezebel]

—(Mom-to-be?) Jessica Simpson is launching her skin-care collaboration via BeautyMint on Monday. [Just Jared]