Gossip Girl is back after a too-long hiatus. Woo hoo! And here is Serena strutting her sassy stuff. Her ivory sweater dress and gray Phillip Lim military coat are demure, not to mention cozy, but she punches it up with plaid tights and over-the-knee Camilla Skovgaard boots. A python Carlos Falchi bag ups the luxe. Welcome back GG, we missed you.