In the final episode of the series, it is revealed that Jenny knew that her brother, Dan Humphrey, was the mysterious blogger behind Gossip Girl. She returns to the Upper East Side, appearing in the five-year time jump for her brother's wedding to Serena van der Woodsen. Jenny works as a designer for Blair's fashion empire, implying that they have gotten over their past animosity. Together they create their own clothing line, "J for Waldorf".
