>> BLOWING THE COVER —Carine Roitfeld hits CNN: Revealed this upcoming Wednesday, but we've got another peek at the show in the meantime — and something else is revealed in the process.  Scarlett Johansson is on an upcoming Vogue Paris cover — Carine goes through the mock-ups while wearing a Fall 2009 Balenciaga dress (clip starts at about 2:05).  Also featured: Anna Wintour and Carine Roitfeld exchanging pleasantries before a fashion show — it's subtle, but pretty obvious they're not each others' favorite people.