Suede, Dizzee Rascal and Kodaline were due to headline 2016 event
Sia's 'Nostalgic For The Present Tour' will criss-cross North America this autumn
Self-titled album will be released in August
Singer tripped over at the end of 'Me Too' performance
The Rolling Stones, Paul McCartney and Bob Dylan among headliners for new US event
Pre-sales allow tickets to be purchased before going on general sale
Singer says she was 'embarrassed' by the original clip
Pulp frontman will judge alongside Wolf Alice's Ellie Rowsell and more