Popsugar Entertainment Music Kelly Clarkson's Best Live Performances 13 Times Kelly Clarkson's Live Singing Was Out of This World 29 January 2019 by Stacey Nguyen View On One Page Photo 5 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 The Troubadour, 2011 : Sober Clarkson brought her most angelic, steady, and warm vocals to "Sober" during her gig at The Troubadour. Previous Next Start Slideshow MusicKelly ClarksonAmerican IdolTV