Get ready to celebrate, because it's Jessie J's 27th birthday! The singer always shows off cool hairstyles whether she's onstage or snapping Instagram selfies, and we love that she's never afraid to take bold style risks. (Remember when she even shaved her head to support a cancer charity and looked incredible rocking the buzz? Amazing!)
In honor of her big day, we're paying tribute to her most daring looks of all time, and there is no shortage of fabulousness in her hair repertoire!
Click through the gallery to see Jessie's 8 fiercest hair looks ever. Then, wish her a happy birthday by leaving a comment below!