Do you want to accomplish what may seem impossible?<br />And by impossible, I mean frizz-free hair in the summer?<br />According to Us Weekly, celebrity hairstylist, Justine Marjan knows the secret. <br />She's crafted hairdos for the Kardashian sisters: Kim, Kourtney and Khloe as well as Ashley Graham and Olivia Culpo. <br />Her tips include sleeping on a silk pillowcase. <br />