Swift's rep, Tree Paine, tells PerezHilton.com:
Wow. Wow. Wow.
Kanye is straight-up INSANE!!!!!
Oh how we've missed her!
Few can do melancholic pop as well as Lykke Li!
The Swede (yup, they do music really well!) is back and delivering such treasures as No Rest For The Wicked!
Nothing wicked about this song, though, all good!
Sweet and sour!
Check it out above!