Alanis Morissette and Demi Lovato Perform "You Oughta Know" at the 2015 American Music Awards

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The duo sang Morissette's most popular single.

Alanis Morissette and Demi Lovato make a great duo.

The pair teamed up to sing Morissette's song "You Oughta Know" at the 2015 American Music Awards.

"You Oughta Know" was the lead single off of Morissette's album Jagged Little Pill​, which just turned 20.

Watch their performance below.

 

This article originally appeared on Billboard.com.

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