Although the actress likes to change up her style — she chopped off her locks on-camera in May — she says it's for work.
"Hey all! The pink is for work. Tried to keep it a surprise...so, that is all I will say! Thanks for all the nice comments on it! #barbiepink," the 24-year-old tweeted on Friday, the day her Glee: 3D Concert was released.
See photos of her hair here.
What do you think of the new 'do?