We knew she was trouble when she walked in but will Taylor Swift be causing havoc on tonight's New Girl season finale? Well, we guess you'll have to wait and see. The country star joins Zooey Deschanel and co for one night only as the gang get ready for Cece's big day. Schmidt wants to do a Busted on it aka crash the wedding and claim the bride for himself, but his pals aren't too sure how his current missus will feel about that one. Meanwhile Jess and Nick have their own dilemma when it comes to clarifying their relationship status.