Swift's rep, Tree Paine, tells PerezHilton.com:
Wow. Wow. Wow.
Kanye is straight-up INSANE!!!!!
We told you it was going to be a very British affair! And big ol' Anglophile Perez LOVES it!!!!
The Ting Tings are joining on our lineup previously announced performers and fellow Brits Ed Sheeran and Cher Lloyd, as well as Mexican-American mami Dev.
We're sure you know the awesomeness that is The Ting Tings. Check out their new song Hang It Up (above)!
Having fun + helping kids + encouraging musicality = win! win! win!!!
SXSW badges will not guarantee admittance, but entrance IS assure if you buy a charitable donation ticket!