She dyed my hair blue in the ultimate revenge prank—see the hilarious results!

Katy Perry's bright pink hair color was inspired by the blooming ... “I used Joico’s Pink Color Butter for the whole dye process — it’s a very easy color line to use,” Henry tells ...

But if you'd rather try out the trend first, we're huge fans of the Hally Hair Pink Temporary Hair Dye ($10) or the L'Oréal Paris Colorista 1-Day Color Spray ($6), which both can make for a quick ...

and pastel pink hair. But perhaps the dye job was only a temporary change in order to promote the product, because the next time Brown popped up on social media, her hair was back to blonde ...