Her hair may be long, or it may be short. She may be clad in little more than a Nina Ricci negligee dress and a chair. She may have 18 new movies out, or just one flick called The Perks of Being a Wallflower. It doesn't matter, because Emma Watson is never, ever going to escape the Harry Potter legacy. How do we know? Look at the terrific ensemble the 22-year-old actress is wearing on the October cover of Glamour. Behold, a Zadig & Voltaire jacket, Nina Ricci dress, Stella McCartney bra and a Salvatore Ferragamo necklace. But what's the headline? "Hey, Awesome Outfit, Emma"? "Love the Way You're Growing Out Your Hair, Emma"? "Hope That Chair Is Comfy,...