Kelly Clarkson gives first TV performance of "Mr. Know It All" on Jay Leno

Kelly Clarkson kicked off her round of promotional this week for her upcoming new album "Stronger" due out October 24th. She sang her first single "Mr. Know It All" on Jay Leno last night and slayed it. She looked beautiful and the performance was on point.

Kelly's promo is set to continue this week with appearance on The Ellen Degeneres Show this (Thursday) September 22nd. Check out her performance below.