^ Ah thanks, I was curious about that
&Christina HAS nothing to worry about. Seriously, like.. she never was 'gone'. Back To Basics was a number #1 selling album with 3 pretty successful and popular singles from it (it's actually my fave album of hers). It's not a bad patch in her career so she doesn't really need to 'comeback' with anything? The only way I'd explain the lower charting positions for her last few singles is that she's not really been in the public eye recently, as opposed to other artists.
Someone on SIN said it and I'll repeat it here.
This album is to me, what Circus was to Britney fans.