It looks like the rainbow hair trend isn't going away anytime soon. Katy Perry showed off her bright and bold locks in a recent H&M holiday commercial because, let's be honest, who better to rock rainbow, fairy-looking hair for the winter holiday season? After all, she is one of the first celebs to really go bold with her hair color. In the video, Perry has every ethereal hair hue you could think of — lime green, turquoise blue, yellow. There's even a lavender tint in there. But we have to admit, it paired perfectly with her sparkly outfit and glittery makeup. Anyone else really digging this look?
The rainbow hair trend has become one of the biggest hair color trends of the year, with A-listers like Kelly Osbourne, Hilary Duff, and many others experimenting with colorful hues. If you're finally thinking of taking the rainbow hair plunge, we've rounded up a few celebs with seriously enviable strands to get you inspired!