The Nashville star took to Twitter on Tuesday, December 10th, to share a selfie of her brand-new look: a silver-blonde pixie cut with shaved sides and plenty of volume on top.
Of her new look, Zagami told E! She seriously has not aged a day, and she looks the exact same way she did nearly nine years ago.
We absolutely love her new short hair and can't wait to see more.
He added that her hair is silver, but not gray - a contrast from her usually long blond locks.
Hayden isn't the only one who made a decision to shave off all of her hair recently, in fact, Pink, 40, totally shocked us when she took to Instagram on December 5, revealing that she shaved her entire head.
Panettiere might be bringing a little bit of this decade into 2020 with her throwback haircut, but we're hoping her new look marks the beginning of 10 years of wonderful hairstyles. News about the transformation, saying the actress was ready for a "radical change".
Aside from Hayden and Pink, there have been so many wonderful celebrity hair makeovers this year and you can see them all when you click through the gallery above!