A few weeks ago, Halsey revealed that they dyed their hair a vibrant shade of turquoise, which instantly drew fan comparisons to the many times over the last decade that the singer-songwriter has ...

Pro tip: If you’re hesitant to go for a full-blue moment, match your shade of blue to your skin’s undertone, says Hernandez. “Cool and neutral skin tones can wear most cool-toned blue hair colors, ...