Here's what the past 42 'best actress' winners have worn to the Oscars

With the Academy Awards comes Hollywood's most glamorous night of the year.

While the show celebrates the best of the year in cinema, the biggest star of the Oscars? The red carpet, of course!

Leading ladies strut down the red carpet wearing gorgeous and unique outfits, and as style evolves, the dresses (or suits, if you're Diane Keaton) evolve, too.

So what does a winner look like?

Let's take a look at what the best actress winners have worn for the past 42 years.