It comes after the rapper was forced to cut her run in 'Moulin Rouge' short earlier this year
Lauryn Hill, Jeff Buckley, Iron Maiden and Wu-Tang Clan are also in the running
She revealed the procedure had placed "two new shiny discs” into her neck
The respective line-ups for the KIA Forum and Intuit Dome events have also been revealed, while ticketing fees have been waived
The list includes Taylor Swift, Bruce Springsteen, Coldplay and more
Her next scheduled gig is now on November 3 in Austin, Texas
"That person singing those songs is like a relative child”
"I don't know why I became a headline this week"
Rumours had been widespread that she would be appearing on the final day of the event on Thursday (August 22)
The Chicks also performed the US national anthem, amid rumours of possible appearances by Beyoncé and Taylor Swift
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