Camille Paglia, America's foremost cultural critic, demolishes a sort-of, modern-day, fabricated icon:
She told a magazine with messianic fervour: “I love my fans more than any artist who has ever lived.” She claims to have changed the lives of the disabled, thrilled by her jewelled parody crutches in the Paparazzi video.
and
Although she presents herself as the clarion voice of all the freaks and misfits of life, there is little evidence that she ever was one. Her upbringing was comfortable and eventually affluent, and she attended the same upscale Manhattan private school as Paris and Nicky Hilton.
and 
Lady Gaga is a manufactured personality, and a recent one at that.  

Furthermore, despite showing acres of pallid flesh in the fetish-bondage garb of urban prostitution, Gaga isn’t sexy at all – she’s like a gangly marionette or plasticised android.
Just read the article.  It is chock full of this good stuff.