Celebrity hairstylist Graham Nation has died at age 39. Nation's client list included stars like Demi Moore, Madison Beer, Alix Earle and Meghann Fahy.

This article contains mention of death. Celebrity hairstylist Graham Nation, who has worked with celebrities such as Demi Moore, George Clooney, Simone Ashley, Catherine O'Hara, and more, passed away at the age of 39.

Courtesy of Graham Nation/Instagram Graham Nation, the celebrity hairstylist known for his work with Serena Williams, Demi Moore and Catherine O'Hara, died suddenly on Friday, February 14, at a Los Angeles gym,

Graham Nation, a hairstylist who worked with Demi Moore and several other popular celebrities, has died. The 39-year-old, who was born Graham Cheek, died on Feb. 14, according to the Los Angeles County Medical Examiner.