ETERNAL    

But this doesn’t include the blocks (at the back of the O2) that haven’t gone on sale. And this was definitely the case for the Monday and I’m fairly certain Sunday too.  

Mogwai's Big City day and Callum Beattie on TfG, Glasgow

Some of the Colchester castle gigs have been added to TFG for JLS, Bastille and Richard Ashcroft

I think - and admittedly im basing this on nothing more than what i think- she's more about the optics of headlining and being the big name on the poster, and while you can try and swing it as headlining a stage (was it Lana Del Ray who lost her sh*t at not being deferred to enough on the poster? i'm a headliner too, worship meeeee!) if she's competing against some other big names, she might not think its enough of a thing to do for what may well be under her usual payday.  There's the whole BBC coverage on free to air tv and renewed interest angle too . . . .