Who knew Taylor Swift could rap?

Swift and T-Pain kicked off last night's CMT Awards in Nashville with a hilarious duet, "Thug Story" -- a spinoff of her hit song, "Love Story." (Watch above.)

See what the stars wore to last night's CMT Awards!

"I'm 8-foot 4, blonde hair to the floor," she rhymes. "I ain't got a gun. I never really been in a club. Still live with my parents, but I'm still a thug!"

T-Pain -- rocking his famous Auto-Tune voice -- adds: "It's a thug story, can you handle that?"

Before the show, T-Pain told Us that working with Swift (who won Video of the Year and Female Vide of the Year for "Love Story") was "pretty awesome.

See what Taylor Swift wore to the Grammy awards this year.

"She has a sense of humor that I have not seen in many people," he added.

Brad Paisley was the big winner on last night's award show. He took home three awards: CMT Performance of the Year, Male Video of the Year and Collaboration of the Year for "Start a Band," his Keith Urban duet.

Rascal Flatts won Group Video of the Year for "Every Day, Sugarland won Duo of the Year for their "All I Want to Do" and Zac Brown Band won Breakthrough Video for "Chicken Fried."