Britney Spears BSPEARSJAYDEN012507_03.jpgHere's what you've been waiting to see! Britney's back to work at a Hollywood studio, choreographing a team of dancers and gettin' into the groove herself. And being a good working mom, she took her little tykes along with her and if you look closely, you can see little Jayden with the assistant in the back! -- he looks just like his brother!