Ava DuVernay

Ava Duvernay celebrates the wrap of 'A Wrinkle In Time'

The director tweeted behind-the-scenes pictures from the final day of filming on her latest all-star project.

"That's a wrap on @Oprah for WRINKLE! Gosh, we had fun. My great friend. Her role as MRS. WHICH is literally out of this world. Thanks, OW," DuVernary tweeted of her good friend, Oprah Winfrey, who stars in the film.

"That's a wrap on @RWitherspoon! She blew me away everyday with her tremendous talent. But more than that, w/ her kindness. Thanks, Reese!" DuVernay tweeted a photo of montage of Witherspoon, who plays Mrs. Whatsit in the upcoming film.

Oscars: The Academy vows to double women, minority members by 2020

Launch of a global effort to recruit qualified new members

The announcement welcomed by Ava DuVernay

The Academy's board said it was taking "historic action" to double the number of women and minority members by 2020 and would launch a global effort to "recruit qualified new members who represent greater diversity".

"These new measures regarding governance and voting will have an immediate impact and begin the process of significantly changing our membership composition," Academy president Cheryl Boone Isaacs said.