Pop princess Katy Perry showed a different side of herself during her emotional American Music Awards duet withDarius Rucker.

The idea reflects the ideas she revealed in an interview withVanity Fairnearly a decade earlier.

She told the outlet, “I think sometimes when children grow up, their parents grow up.”

Katy Perry / Darius Rucker

Further explaining, “Mine grew up with me.

Katy Perry and Dad throwback photo