'America's Got Talent' Winner Grace VanderWaal Gets a Sweet Surprise From Taylor Swift -- See Her Adorable Rea

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Grace VanderWaal may have won season 11 of America's Got Talent, but it looks like she also won the heart of one of her pop idols. 

The 12-year-old singer and ukeleleist took to Twitter on Friday, sharing an adorable video of herself getting the surprise of a lifetime from the one and only Taylor Swift.

WATCH: 'America's Got Talent' Names Season 11 Winner

In the cute clip, VanderWaal is standing next to a vase filled with a gigantic bouquet of purple flowers. Her emotions run wild as she starts to read the accompanying card, jumping up and down in excitement.

"Taylor Swift!" she exclaimed. "Taylor Swift sent me this!"

"Words can not explain how honored I am for this," the New York native later wrote in the caption. "Thank. You. SOOOOOOO MUCH!!!! @taylorswift13."

Swift wasn't the only one putting an extra big smile on VanderWaal's face, however. Katy Perry was one of the first celebrities to send her a "congrats!" tweet.

WATCH: 'AGT' Winner Grace VanderWaal Gets Her Ultimate Wish!

"Congrats!" the "Rise" singer wrote. "You have it. Protect it and keep [play]ing and [writ]ing...it will always serve you."

"Thank you I love you so much," VanderWaal replied.

Meanwhile, Reese Witherspoon let the star in the making know she had been a fan since day one!

Since winning the reality competition show, VanderWaal hasn't been able to contain her excitement.

"My dream HAS really become a reality," she captioned a pic of herself and Howie Mandel, surrounded by celebratory confetti.

"Thank you so much to anybody who voted for me!!" another caption read. "You really made my dream come true and I've never been more thankful."

WATCH: Grace VanderWaal Reveals Her Dream $1 Million Splurge

Moments after her victory, ET caught up with VanderWaal backstage, where she revealed she already has plans on how she'll spend her $1 million grand prize.

To hear more, watch the video below.