Originally Posted by Fishooked
I'm not sure who it is.
I mean, supposedly its from some movie 'The Bling Ring'
But it doesn't look like Emma Watson, who I'm not really a fan of I guess, but it looks more like Rachel McAdams than Emma Watson. Plus I don't think Emma has what it takes to achieve the desired 'heaving' effect,
I'll let you expert figure it out.
My first thought seeing that gif was that it was Emma Watson, who does indeed star in the flick (written and directed by Sofia Coppola, BTW). I think it is Hermione.
Maybe they augmented her for the role? Here's the trailer: