The duet everyone needs to see! Ariana Grande and Barbra Streisand!

Ariana Grande and Barbra Streisand are about to break the internet!

Last night in Chicago Ariana Grande surprised the crowd as she showed up at Barbra Streisand's show! Ari took the stage with the iconic Barbra Streisand to preform one of Barbra's biggest hits " No More Tears -Enough is Enough"

Take a look at the videos to see the duet:



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