Singer drops first track from October’s Stronger album on her website. By Jocelyn Vena Kelly Clarkson Photo: RCA Records Kelly Clarkson dropped her new single “Mr. Know It All” on her website this week. It’s the first track off her Stronger album , due in October. The song is an obvious Clarkson joint: feisty and straightforward, with a strong melody and a sing-along chorus. The midtempo breakup tune is about a girl letting her guy know that despite thinking he’s got it all figured out, he doesn’t. On the chorus, she blasts, “Oh, you think that you know me/ Know me/ That’s why I’m leaving you lonely/ Lonely/ ‘Cause baby you don’t know a thing about me/ You don’t know a thing about me.” She’s equally sassy on the bridge when she sings, “So what, you’ve got the world at your feet/ And you know everything about everything/ But you don’t/ You still think I’m comin’ back, but baby you’ll see.” The track was written by Brett James (who has a country pedigree, having written for Carrie Underwood), Ester Dean (Beyonc
