Taylor Swift: extra tickets added with more concerts in Sydney and Melbourne announced

After an estimated four million people queued online for tickets on Wednesday the American pop star has announced two more Australian dates

Taylor Swift has announced two more shows in her Australian tour next February after record-setting ticket sales on Wednesday.

Presale tickets to three Sydney concerts and two in Melbourne sold out in hours after more than 4m users joined the online queue for under half a million tickets - though some of the numbers may have been fans opening multiple browsers to maximise their chances.