Swift's rep, Tree Paine, tells PerezHilton.com:
Wow. Wow. Wow.
Kanye is straight-up INSANE!!!!!
Okay, so we have a tendency to overreact sometimes, but this is best thing we've heard in a VERY long time.
The emotion in her voice! And that smashing vocal punch at the end!!! *SIGH*
We can't even begin to fathom what will happen when Demi and Ed hit the studio together for a collaboration.
Prepare for goose bumps and listen (above)!!!