March to the beat of (one's) own drum

Translation of "march to the beat of (one's) own drum" into Russian

идти в ногу со своим барабаном

She always marches to the beat of her own drum, never following the crowd.

Она всегда идет в ногу со своим барабаном, никогда не следует за толпой.

To act or think independently, following one's own beliefs and preferences rather than conforming to societal norms or expectations.