The surprises keep coming, and the madness hasn't stopped for a second. Fresh off of her Miami show last night, during which Justin Bieber made a surprise appearance, Ariana Grande turned around to make her own special guest appearance. The 21-year-old American mega pop star and former Nickelodeon princess joined Cashmere Cat during his performance at the 2015 Ultra Music Festival to perform their recent collaboration "Adore."

Check out the video captured of the special moment below: 

Listen to Cashmere Cat's "Adore" featuring Ariana Grande below: 

Make sure you don't miss the next crazy thing to happen at Ultra. Stream the last day of the 2015 Ultra Music Festival LIVE here... 

Watch live video from Ultra on www.twitch.tv

[H/T DJ Times

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