Katy Perry even in her supposedly biggest era still having Justin Timberlake and Miley overshadowing her. I, as a huge Katy Perry fan, would be more worried about that.
Katy Perry topped the chart several weeks ago and has remained at #2,3 since.
But this is not about her. Gaga has not even cracked the top 10. That's what concerns me.
Even on a questionable chart like this, it is weird to see Gaga constantly decreasing, even with a top 10 single at the moment and a new album coming within the next month.