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When Taylor Swift won Best Female Video at this year's MTV Video Music Awards for "I Knew You Were Trouble," during her acceptance speech, she took a clear shot at one of her exes - a certain One Directioner. 

[PHOTOS: VMAs Red Carpet]

She said, "I also want to thank the person who inspired this song, who knows exactly who he is. Because now I've got one of these. Thank you very much!"

[PHOTOS: 2013 MTV Video Music Awards]

Oooo, burn for Harry. But she didn't stop there. While Harry and his One Direction pals were up on stage, the camera pans over to T-Swift, where she is caught mouthing "Shut the f**k up."


Ouch! Check it out:

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