Shannen Doherty (@theshando on Instagram)

In an act of inspiring bravery, Shannen Doherty shared the process of shaving her head with her Instagram followers and the world. The actress, who has been battling breast cancer for almost a year, was joined by friend Anne Marie Kortright and mom Rosa for the emotional moment.

The series of black-and-white photos show Shannen's mother hugging her tightly, the actress looking in the mirror as she cuts her hair, and a selfie filled with smiles. See the entire documentation below.

Doherty, 45, first announced her breast cancer diagnosis last August. She told People: 

"Yes, I have breast cancer, and I am currently undergoing treatment. I am continuing to eat right, exercise and stay very positive about my life. I am thankful to my family, friends and doctors for their support and, of course, my fans who have stood by me.”

The actress, best known for her roles in Beverly Hills, 90210 and Charmedreunited with her co-star Holly Marie Combs at the Sydney Opera House last month.