She First Appeared In The 2017 Novel Star Wars:

Web laura dern's purple haired character could be a new humanoid entertainment laura dern's 'last jedi' character has amazing hair by mary grace. In the novel, holdo and leia organa meet as teenagers when they are both enrolled in coruscant's apprentice legislature, with holdo subsequently becoming an important member of the rebel alliance. Leia, princess of alderaan, a prequel to star wars:

Web An Unconventional Resistance Officer, Amilyn Holdo Was One Of Leia Organa’s Oldest Friends.

She assumed command of the resistance fleet after leia was injured.