Among the first stars to arrive on the red carpet are Into the Woods' Anna Kendrick, best supporting actress nominee (and favourite) Patricia Arquette and How to Train Your Dragon 2's America Ferrera.

Image source, AP/Reuters

Sarah Jane Griffiths
Entertainment reporter

A host of celebrities have been tweeting ahead of the big event.

Best song nominee John Legend tweeted, external: "So excited to perform #GLORY on the #Oscars tonight!"

Best supporting actress nominee Laura Dern said, external: "So excited to sit next to my favourite girl @RWitherspoon today to celebrate and honour @CherylStrayed and our WILD adventure."

Victoria Lindrea
Arts and entertainment reporter

Get in touch and let us know what you think of this year's ceremony. Who is the best dressed and who has made a fashion faux pas?

Who are you backing to win the top awards? And what do you think of this year's host, Neil Patrick Harris?

Tweet @BBCNewsEnts, external or email entertainment.news@bbc.co.uk.

Genevieve Hassan
Entertainment reporter

Lights, camera, action! The most glamorous night in the film calendar has arrived and the stars are beginning to walk down the red carpet.

Stay with us as we bring you all the fashion highlights, winners and reaction from the ceremony.