That is Amanda Seyfried. In a couple of the other photos, I thought it was Sydney Sweeney, right down to the lace socks. They really COULD do a Single White Female remake. They are not the only folks meandering around in coats, but theirs are among the best.

[Photos: Jason Howard, PG, DAMEBK/Bauer-Griffin/GC Images, Aeon, Raymond Hall/GC Images,Ricky Vigil M / Justin E Palmer/GC Images, Taylor Hill, Franco Origlia/Getty Images, Antonio Masiello/WireImage]