"Insane" Oscar for Natalie Portman

Natalie Portman makes emotional Oscar speech.

The "Black Swan" actress was moved by her win at the Oscars.

Accepting the Academy Award for Best Leading Actress, Portman said "Thank you so much to the Academy, this is insane".

She also paid tribute to the others nominees in her category, "Black Swan" director Darren Aronofsky and her parents "for showing me every day how to be a good human being by example".

She also thanked her fiancé, "Black Swan" coreographer Benjamin Millepied, whose child she's pregnant with, saying, "(he) has given me the most important role of my life".