One way to know you’ve made it is when your haircut or dye job makes national headlines. Whether it’s a new set of bangs or a blonde-to-brunette transition, we at tFS love celebrity makeovers. Sometimes, these new beauty looks — courtesy of their glam squads — give us inspiration (see: Sienna Miller) or even set trends. Where were you when Kim Kardashian cut her hair? Or when Justin Bieber went platinum? From Hollywood’s elite to the fashion world’s favorite models and a Kardashian or two, we’re tracking the most buzzworthy celebrity beauty transformations of 2015 in the slideshow above.