AMAs

Alanis Morissette & Demi Lovato Perform 'You Oughta Know' at the 2015 American Music Awards

Alanis Morissette and Demi Lovato
Kevin Winter/Getty Images

Alanis Morissette and Demi Lovato perform onstage during the 2015 American Music Awards at Microsoft Theater on Nov. 22, 2015 in Los Angeles, Calif.

Alanis Morissette and Demi Lovato make a great duo.

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

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

Watch their performance below.