Teen Vogue was probably counting down the days until Elle Fanning officially became a teenager so they could make her a cover star. And not surprisingly, so was Elle Fanning, according to the below video, which goes behind the scenes of her insanely adorable and perfect February cover shoot. As you can imagine, Teen Vogue and Elle Fanning, who's already a fashion darling, are a match made in heaven and while we also love seeing her in grown-up couture looks, it's nice to see her looking sweet and girly. In the video, Elle is her usual charming self, talking about how excited she is to be in Teen Vogue and that giddy enthusiasm carries over into the cover story, in which she gabs about hanging out with the Mulleavys, acting with huge movie stars and less surreal things like sleepovers, school and being the tallest kid in her grade. They also talk to Dakota, who readily admits that Elle has surpassed her older sister when it comes to fashion...

We hate to pit a 15-year-old against a 13-year-old but it's hard not to draw comparisons between Hailee Steinfeld's Bruce Weber-shot fall campaign for Miu Miu and Elle Fanning's for Marc by Marc Jacobs (9 more of the Juergen Teller-shot images have just emerged on Fashion Gone Rogue). Both are lovely, talented actresses in their early teens who have a sophistication and a fashion sense that is beyond their years. We love both girls and both campaigns equally--we're not picking favorites. But, it's hard not to noticed the stylistic similarities between the two, especially in these shots--in which both girls are wearing longish dresses, dark sunglasses, ankle boots, holding brown clutches and standing outside next to tree trunks. Click through for more Elle Fanning for Marc by Marc and go here for the rest of Hailee's Miu Miu campaign.

As we reported last week, sisters of the moment Elle and Dakota Fanning are W's December cover girls. Along with a less blurry image of the gorgeous, ethereal cover, we now have the full spread styled by Lori Goldstein and shot by Mario Sorrenti. There's also a lovely interview by Lynn Hirschberg--two separate ones in fact--in which the girls dish about borrowing each other's clothes, working at such a young age and how fashion-obsessed Elle reacted to being invited to the Chanel couture show. Click through for the best bits from the interview and to see the "fabulous Fannings" wearing Chanel couture and looking super pretty in the editorial.