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Grease: Live aired on Sunday and the show's stars Julianne Hough, Vanessa Hudgens and Aaron Tveit delivered incredible performances.

It was a bittersweet experience for Vanessa, whose dad Greg Hudgens passed away on Saturday.

On Sunday morning, just hours before Grease: Live filmed, Vanessa took to Twitter to tell everyone the devastating news.

Vanessa tweeted, "I am so sad to say that last night my daddy, Greg passed away from stage 4 cancer. Thank you to everyone who kept him in your prayers."

The actress then went on to say, "Tonight, I do the show in his honor."

And what a stunning performance she gave! Vanessa absolutely dominated her role as Rizzo and she's receiving praise around the world for her performance.

Watch the E! News video to see how Grease: Live honored Vanessa's father and read all of the celeb tweets about the show!