Kelly Clarkson's new single, "Mr. Know It All," is featured on MTV Buzzworthy's "5 Must-Hear Pop Songs of the Week" list. MTV raves about the song, which only premiered last Tuesday and is already climbing the charts. In an interview with EW.com, Kelly was asked about which song reminds her most of American Idol, and she replied "Stuff Like That There." She elaborated, "That's my favorite [performance]. Everyone always asks, 'How did it feel to win American Idol?' That moment doesn't even compar...