Mr. Know It All

"Mr. Know It All" is a song by American singer Kelly Clarkson, released in 2011 as the lead single from her fifth studio album, "Stronger." The song was written by Brian Kennedy, Ester Dean, Brett James, and Dante Jones, and was produced by Kennedy. It debuted in the original key of B? major. The track reached the top 10 on various music charts worldwide and earned positive reviews from music critics. As for the melody, it is characterized by an empowering and catchy chorus, with Clarkson's strong vocals shining through, accompanied by a blend of pop and rock elements.