US POPBARS (COMBINED):
(*RIGHT-CLICK THE PICTURE and click: see image to view it full)
Katy's lead is pretty big (around 40% more than #2-#3-#4) (so if #2 is selling 200K, Katy is selling 280K)
Cee-lo is #8 combined (around 20% less than Gaga and Rihanna) (so if they are selling 190K, cee-lo is selling 152K)
Avril is #10 combined
Katy should be #1 next week.