The official Star Wars site has announced:
Lupita Nyong'o joins the recently announced cast of Star Wars: The Force Awakens This year, her breakthrough performance in 12 Years a Slave earned her an Academy Award for Best Supporting Actress.
This is not a surprise, Nyong'o's name has been the subject of much speculation in recent months.
Lupita said in Twitter:
I can finally say it out loud and proud: I'm going to a galaxy far far away! http://t.co/b39DjEEAzB
— Lupita Nyong'o (@Lupita_Nyongo) June 2, 2014