But will they make total fools of themselves in their acceptance speeches, like so many actors have done before?
Portman already embarrassed herself at the Golden Globes, when a video of her dorky laugh went viral.
Or Marlon Brando, who sent a mysterious woman to accept on his behalf to protest the treatment of Native American Indians?
Then there's Sally Field, whose "You like me!" speech was just a little too humble.
And who could forget Angelina Jolie announcing, "I'm so in love with my brother right now."
Let us know: What was the worst Oscar acceptance speech of all time?