What turning points defined Oscars red carpet evolution toward statement looks?

[GeorgeS]

I'm a fashion journalism student writing an analysis piece on the evolution of Oscars red carpet fashion over the last decade, specifically looking at the shift from traditional glamour to more statement-making, designer-branded moments. I'm trying to move beyond simple best/worst lists to understand the cultural and economic forces at play. For industry insiders or fashion historians, what are the key turning points or specific looks that signaled a change in how celebrities and stylists approach the red carpet as a platform? How has the rise of social media and instant commentary altered the planning and risk-taking behind these appearances, and what role do fashion houses now play in curating these moments compared to twenty years ago? What archival resources or interviews would you recommend for understanding the business side of these fashion partnerships?