Kelly Clarkson Since U Been ... Jessie J?

5/1/2012 2:00 AM PDT BY Johnny Lopez
0430_kelly_jHere's OG "American Idol" Kelly Clarkson filming her latest video in L.A. this weekend (left) -- and fledgling British pop star Jessie J in concert recently (right).

It's amazing what winning a contest will do to a person.
We're just sayin'.