Dianna Agron Cuts Hair into Bob

Dianna Agron's hair is experimenting with some New Directions.

Though she's typically known for her long, bouncy Cheerios-issue ponytail, the Glee actress is taking advantage of the show's summer hiatus to graduate to a sassy bob.

Calling the cut "a remedy to the seven-year itch," the blonde beauty posted a video of her hair transformation (overseen by co-star Jenna Ushkowitz) on her personal Tumblr.

A black-and-white photo from lensman Tyler Shields reveals the finished look: a perfectly disheveled chin-length cut boasting long layers in the back and shaggy, side-swept bangs that would make Sally Hershberger swoon.

And thus began Quinn Fabray's "What I Did Over Summer Vacation" essay ...

In other celebrity hair news, Pantene has tapped Eva Mendes and Naomi Watts as its newest campaign stars.