Star set to have undertaken the biggest-selling tour ever by a solo artist
Singer says she's grateful for work distraction
Singer and director's split finalised
But they keep their acts separate
Pop stars may reunite at LA show tonight (Nov 6)
Listen to some of the singer's earliest work now
She says she knows someone who's 'emotionally retarded'
Couple release a statement confirming tabloid reports
British tabloid reports couple are on verge of announcing split
And she continues her attacks on Sarah Palin