Swift's rep, Tree Paine, tells PerezHilton.com:
Wow. Wow. Wow.
Kanye is straight-up INSANE!!!!!
Heather Morris is a lot more mischievous than she lets on!
It's the Glee actress' turn to embarrass her friends on MTV's Punk'd and she's got some nasty tricks up her sleeve!
Ch-ch-check out Heather's episode when it airs this Thursday at 10pm!