Michelle Williams Debuts New Undercut Haircut. Michelle is out with the old and in with the new. She showed off a bold new haircut by changing up her usually blonde pixie, into an edgy new haircut. If you’re not familiar with an undercut, it’s a style that keeps one side shaven/ short, while the other is kept long. She debuted her new look last night while attending the Kate Young For Target launch at The Old School in New York. Wearing short navy shorts, and a white blazer, Michelle walked the red carpet with her fresh new do. What do you think of the star’s edgy new look? Check it out after the drop.