Christina A. Dominates in New Video 

In the last preview photo for Christina Aguilera's new video, the pop star wears skimpy lingerie with a leash around her neck while straddling a scantily clad woman who happens to be tied up.

The video for "Not Myself Tonight," in which Aguilera sings that she's "kissing all the boys and the girls," premieres Friday on Vevo.com.