What episode of Liv and Maddie does Liv sing I am on top p the world?

In the "Liv and Maddie" episode titled "Song-A-Rooney" (Season 2, Episode 11), Liv sings "On Top of the World" by Imagine Dragons. In this episode, she performs the song at a school event, showcasing her talent and enthusiasm for music. The episode highlights her journey as she deals with the pressures of being in the spotlight while trying to support her sister, Maddie.