Kelly Clarkson Covers Carrie Underwood [VIDEO]

For the past 3 days Kelly Clarkson has been leaking songs from her upcoming album Stronger, which is set to come out on Monday, but the leaks have apparently stopped for now.  She was in L.A. last night putting on a free show at the Troubadour Club.  She peformed her current hit "Mr. Know It All" along with the leaked songs and a cover of a Carrie Underwood song too.  Catch part of her performance after the jump.

In addition to performing her newer songs she also performed some of her older ones too.  Among those in the audience were Reba McEntire and Blake Shelton, the guy that leaked one of her songs on Wednesday afternoon.

Kelly's new album Stronger will be available Monday in stores and online.