Nicki Minaj, Jaime King, and Lauren Conrad are just a few stars who've been spotted wearing colorful strands this season, and hair chalking at home is the perfect way to copy their trendy style. If you're a commitment-phobe, you're in luck; chalk easily washes out, so it's perfect for a once-in-a-while pop of color. Check out application tips and tricks in the video now. On Kirbie: TopShop.