He/she actually has the plumbing for both.
It became very obvious in a Youtube video from one of her concerts where she gets off a motorcycle and as she swings her leg around, a crotch appendage becomes visible.
It is viewable at this URL: http://www.youtube.com/watch?v=f8Jt_JxGYn0
Thanks. I watched the video. “She” looks like a guy in drag.