Today every Ariana Grande fan will yell "Ariana, what are you doing here?" because she has just achieved what every musical artist dreams of, an Oscar nomination in the acting category.

Ariana Grande celebrated the Oscar nominations for “Wicked” with a throwback video of her performing a hit song from the musical as a child, while Cynthia Erivo and director Jon M. Chu took to social media to share their emotional reactions to the nominations.

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