Whilst belting out her famous tunes, the skirt of the 45-year-old's skimpy metallic dress fell down only to expose her bare derriere.
And while the Unbreak My Heart star
was wearing a nude bodysuit featuring a g-string cut underneath, the
sight left little to the imagination.
unsuspecting Toni continued to perform, even despite the tell-tale
sound of the crowd cheering even louder when she turned around.
Even a few male fans lucky enough to join her onstage failed to alert Toni of her wardrobe malfunction.