Gaga is just Gaga. The more time passes, the more I see Gaga as a person is just some one who likes to experience a lot of stuff and obviously those experiences are going to merge with her personality.
Gaga also partakes in many different activities, so for every single one of them there's an different attitude, a different way of treatment and different people. Call it "being fake" if you want, but many of us wouldn't act EXACTLY the same way in front of our mothers as we do with our friends. If anything, I've always heard people say she's kind and lovely everywhere she goes. She may have had a few angry moments (NME interview), but who doesn't?
She's a human, just let her be.
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Don't know if AP, but Vivendi's Official website reported Gaga's total album sales of 2011 at
6.8M. Sadly they didn't break them down per album as they did with Rihanna.
Vivendi is Universal Music Group's parent company, for those who didn't know.