How to Get Kate Hudson's Beachy Blond Hair Color For Yourself

Maintenance is key with any blond color, so Kaeding recommends investing in the right products to keep your blond bright and brilliant. First, invest in a hydrating shampoo and conditioner like Shu Uemura Moisture Velvet ($48).

But what happens if you go brassy? "Once a week, I recommend that Kate use a clarifying shampoo to clean off excess styling products, oils, and treatments to keep her blond looks bright and fresh. The buildup of grime over time tends to make blondes look dull and, eventually, brassy," Kaeding said.

You should also schedule touch-ups with your colorist based on your personal hair growth. Typically, you'll need a root redo every six to 10 weeks. "Fortunately, balayage looks great grown out, so you can extend the time between appointments a little bit longer."