Oscars 2012: red carpet fashion live - in pictures

The Oscars are as well-known for the red carpet outfits as they are for the emotional speeches, endless accolades and little gold statues. This year it's the 84th annual academy awards and Guardian fashion is on hand to bring you up to the minute pictures of all the frocks, suits and high heels direct from the event as the stars make their way down the most famous red carpet in the world - including that Jessica Chastain McQueen dress