Quite a few other stars have traded in their natural locks for platinum blonde lately. Kim K . and sister Kylie Jenner rock the platinum every few weeks, keeping us guessing if they hit the wig closet or went full bleach, and Katy Perry debuted an adorable platinum bob a few weeks back, but quickly went super short . It's worth noting that bleach can be hard on your hair, to say the least, so be careful if you try this look at home.