After the official poster and several pictures of Allison Williams in Peter Pan Live! have been released, we're more sure than ever that Williams is perfect for the role. Mostly, we're really excited to see Williams break out of her role as Marnie on Girls, but we're also curious to see how she fares in a completely different setting. When we got to thinking about it, we realized there are actually a variety of ways that playing Marnie has probably helped Williams prepare for her new role. Take a look!