Billie Eilish confidently embraces her evolving style despite critics
She addressed criticism on Instagram for her more feminine look
Eilish faced initial criticism for her tomboyish image and clothing choices
Critics suggested she conform to conventional standards of femininity
She emphasizes it's not her responsibility to please others with her style
Eilish highlights the importance of letting women exist on their own terms
Her music career took off in her teens with successful EP and album releases
Recently, she has experimented with more feminine fashion choices
Artists have the right to evolve their self-image as a genuine expression of personal growth