Lady Gaga Responds to Comments About 25-Pound Weight Gain By Posing in Underwear, Reveals Longtime Struggle With Bulimia (PHOTOS)

Sometimes you have to fight fire with fire, and Lady Gaga is no stranger to incendiary arguments.

The controversial singer is fighting back against unflattering headlines about her 25-pound weight gain with a very Lady Gaga-like response: letting it all hang out (Well, almost). Click through the gallery to see the photos!