Lena Dunham, Allison Williams, Jemima Kirke and and Zosia Mamet — aka Hannah, Marnie, Jessa and Shoshanna — are coming back to HBO for the third season of Girls. It goes down on Jan. 12 at 10 pm ET with two back-to-back episodes. And finally, we have a proper trailer. So check it out below and tell us what you think! Will you be tuning in?