A spike bun is an updo with an edgy twist. Its signature feature are the wisps of hair that stick out (artfully, hopefully) ...

By rocking perfect prom hair on a casual Saturday night ... mixed with the edgy glamour of Pamela Anderson's iconic messy updo. Likely crafted by Rihanna's regular hairstylist, Yusef Williams ...

paired with a white collared gown and tons of diamonds and pearls—less prom, more couture. Hairstylist Naphia White pulled the star's hair up into a high updo at the crown of her head ...