AWW: Ariana Grande's Grandpa Turns 90 Today!

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Ariana grande grandpa turns 90

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OMG! Today's a very special day for the Grande family, as Ariana Grande's grandfather turns 90 years old. The "Baby I" singer wrote her grandpa a sweet message on Instagram: "Happy 90th birthday Grandpa, my favorite person in the whole world. I love you with all my heart."

Wish Ariana's grandpa a happy birthday in the comments below!

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