nooo, there's a platform coming out of the heels :D you can see it when she sat down on the pianoo, it's an extra part added to go wih the spikes on her face :D
It's made to look like a part of her body. She's saying that the shoulder pads, high heels, emphasised cheekbones, eccentric makeup etc that she wears are all a part of who she really is. That's why she's made them all into realistic body parts as this exaggerated, alienesque type character. To show that she was born that way.