Between all the Golden Globes best-dressed lists and Jennifer Lawrence worshipping happening on the internet right now, you might have missed this knockout picture of Girls actress Allison Williams. Take a look now: it's a stop-you-in-your-tracks kind of pic, right? That hair! Taken on Friday at a party for Diane von Furstenberg who hit a 40-year designing milestone, we now know that Allison hasn't lopped her hair off to chin length (the long hair was back in evidence at a Golden Globes party thrown by HBO last night), but was in fact created by a cute hair tuck. We thought we'd experiment to see how easy it is to do it ourselves and it turns out – very!