Justin Bieber’s New ‘Do: Yay or Nay? (PHOTOS)

Ring the alarm, Beliebers: Justin Bieber has cut his hair.

Well, technically, the 16-year-old pop sensation merely trimmed his hair, but it is still a major change for a boy whose infamous for his signature hairstyle.

Bieber debuted his new hairdo at a signing over the holiday weekend for his new book, First Step 2 Forever, at Barnes and Noble in New York City. What do you think of Bieber’s new hair? Check out more photos and share your thoughts in the comments.