Lady Gaga Slayed Her 50th Anniversary Oscars Tribute to 'The Sound of Music'

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Apparently everyone forgot Lady Gaga is a really, really talented singer?

Maybe it’s the wigs and the crazy outfits. Maybe it’s the meat dresses and the being carried in an egg and all that blood. Whatever it is, people seem to have forgotten that first and foremost Gaga is an insanely talented singer. But they remembered tonight.

Gaga’s secret performance at the Academy Awards turned out to be a tribute to The Sound of Music for its 50th anniversary. She took the stage for a very toned down medley of “The Sound of Music,” “My Favorite Things,” “Edelweiss” and “Climb Ev’ry Mountain.”

And the flashiest part of her performance was some skirt swishing.

NEWS: Here’s everyone who won at the 2015 Academy Awards!

It’s safe to say everyone was impressed:

A source inside the building says the standing ovation for Gaga was the biggest of the night, reaching all the way back to the third floor balcony. Julie Andrews -- the original Maria -- came out at the end and hugged Gaga, providing for quite the touching moment:

Afterwards, Gaga tweeted this:

You earned it. We’ll conclude with an obligatory: Yaaaaaas, Lady Gaga! Yas!

Plus, Lady Gaga told ET about how her new fiancé, Taylor Kinney, pranked her by proposing with a ring pop! Here’s what she had to say:

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