And we thought the Grammys surprises wouldn't start until the awards were handed out!
When Ryan Seacrest ran into Taylor Swift on the red carpet, he dropped a bombshell on her: the first time she ever said "shake it off" was in an interview with him.
[ Photos: Taylor Is Tantalizingly Terrific In Teal On The Grammys Red Carpet! ]
And it was way back in 2008!!
The best part is, she had no idea!
See the seed that grew into a smash hit! Watch the footage that blew Taylor away (below)!
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