The 1970s and 1980s saw the emergence of a new wave of actresses who challenged traditional Hollywood norms. Women like Meryl Streep, Judi Dench, and Helen Mirren began to redefine the roles available to mature women, taking on complex, dynamic characters that showcased their range and talent. These actresses proved that women over 40 could be leading ladies, not just supporting players. Their performances earned critical acclaim and paved the way for future generations of actresses.