Fashion has become an integral part of the Academy Awards, with the Oscars red carpet one of the most prominent ways for garment designers to make a splash.

But fashion and style are tremendously subjective — one person's favourite gown can easily be tapped as another's "what was she thinking?"

From Cher's outrageous Bob Mackie ensemble and Céline Dion's contemporary fedora to Tatum O'Neal's darling tux and the cross-dressing creators of South Park, Oscar night has seen Hollywood fashions of all sorts.

In the attached gallery, check out sartorial hits and misses from the Academy Awards over the years.