A Jenny Humphrey picture from the set of Gossip Girl. She has come a long way since the series began, this youngan.

Jenny Humphrey looks great in this photo.

Taylor Momsen is very beautiful and young. So is the girl she plays on our favorite show, Jenny Humphrey!

A scene from "The Blair Bitch Project," from the first season of Gossip Girl. Jenny Humphrey is running the show now that Blair Waldorf has been dethroned. OMG!

A scene from "The Blair Bitch Project," from the first season of Gossip Girl. Jenny Humphrey is running the social show now that Blair Waldorf has been dethroned, and Serena is comforting Blair, or at least doing her best for her friend.

Little J, or Jenny Humphrey as she is sometimes known, is now a big shot at school. But Blair is out for revenge.

In a scene from "The Blair Bitch Project," Jenny Humphrey struts her stuff and acts like she is all that. But is she?

In a scene from "The Blair Bitch Project," from the first season of Gossip Girl, Nate and Jenny discuss matters. We're not sure where this relationship is headed.

In a scene from "The Blair Bitch Project," from the first season of Gossip Girl, Jenny Humphrey (Taylor Momsen) finds herself the new queen of the social clan. Look at those cronies just fall in line.

In a scene from "The Blair Bitch Project," from the first season of Gossip Girl, this is just how Jenny Humphrey (Taylor Momsen) and her cronies roll. Whatever that means.

In this photo from "All About My Brother," from the first season of Gossip Girl, Blair and Jenny continue to battle for social supremacy. The affections of these other girls remains a big part of their ongoing struggle.

Pete and Dell share positive wishes at a get-together thrown by a certain someone. These are two great "Private Practice" characters.