Cate Blanchett F-bomb after Oscars win [VIDEO]: 'Blue Jasmine' Best Actress drops viral expletive on CNN, 'Don’t You F*cking Forget It!' [WATCH]

Cate Blanchett won the 2014 "Best Actress" Oscar Award for her riveting performance in Woody Allen's "Blue Jasmine." Her acceptance speech was beautiful:

But once the stunning actress got backstage, she didn't hold anything back!

One reporter began asking Blanchett, "I wanted to ask you about the fact that you're the first Australian actor/actress to ever win..."

That's when the Australian actress cut-in with:

"And don't you f*cking forget it!"

And her sudden, over-confident f-bomb was caught on CNN's live backstage footage:

Of course, the video's now going viral online. Underneath all of that poise and grace, there definitely lies a wild-streak!

Piers Morgan later tweeted:

@piersmorgan: "Cate Blanchett just dropped the F-bomb live on CNN... another reason to slightly love her."

Agreed.