Oscars 2012: Stars on the red carpet at Academy Awards

Hollywood A-listers have hit the red carpet at this year's Academy Awards ceremony in Los Angeles.

The Artist's best supporting actress nominee Berenice Bejo arrived with her husband, the film's director, Michel Hazanavicius.

British comedy actor Sacha Baron Cohen turned up on the red carpet dressed in a white military uniform and sporting a beard and sunglasses to promote his upcoming film The Dictator.