The mom-to-be, who has referred to her hair as her security blanket in the past, revealed a few of her hair care secrets (and we can't wait to try them).
"My hair changes depending on where I am in the world and the different environments and climates," she told Harper's Bazaar. "My hair can get kind of frizzy and big, so I leave in a hair mask, rather than rinsing it out all the way. That's been a pretty good tip."
"Something that my mom taught me, which is pretty cool, is that when you shampoo your hair you're just trying to get the oil out of the roots, not out of the ends," she continued. "When you over-clean your ends then you're damaging them because they need the oil. What she would always do is put coconut oil on the ends of her hair before she would shower. So, when she would shampoo it wouldn't make her hair overly astringent."
Blake also gave tips on how to take hair from day to night, adding, "My go-to nighttime hair look is just my daytime hair look. It kind of just carries over. If you're in a pinch, you can slick back your hair in a tight ponytail."
"Take the ponytail and braid it, kind of haphazardly, so that it's not just three pieces of hair," she continued. "You should take random chunks, braid it, and twist it. It's a more interesting nighttime look that takes about 12 seconds."
Back in 2013, she also dished on more ways she maintains her locks, telling Elle France, "My secret for [maintaining my hair] is my Mason Pearson hairbrush, which gives my hair volume and shape." She also added that she keeps an appointment at the hair salon every six to eight weeks.