Things are heating up so fast!
According to Us Weekly, Swift is on cloud nine right now:
[Image via Forty Seven/WENN.]
This is EVERYTHING we thought it would be and more!
Why? Uh, because it involves A LOT of her badonkadonk!
Really though, what do you expect when the song samples Sir Mix-a-Lot's Baby Got Back!
Ch-ch-check out the A$$-tastic video (above)!!!