At the 2013 MTV Video Music Awards, Taylor Swift allegedly dropped an F-bomb during an innocent speech by One Direction singer Harry Styles, whom she dated briefly at the end of 2012 through January of this year.

Swift may not have moved on from Styles, as she was spotted by cameras leaning in to Selena Gomez during his band's speech to present the Best Pop Video Award ... which Gomez wound up winning. Awkward!

Swift was also happy to take a dig at Styles during her acceptance speech for Best Female Video for 'I Knew You Were Trouble,' which was rumored to be about the hunky Hazza.

She smirked while clutching her Moon Man, "I also want to thank the person that inspired this song, and he knows exactly who he is, because I got one of these!"

Styles reacted by staring blankly and gnawing on his gum.

And as for what Swift said to Gomez? It looks a lot like, well, "Shut the f--- up." We bet if the usually super-sweet Swift knew cameras and GIF makers would catch her, she'd have taken her own advice.

Watch Taylor Swift Accept Her Best Female Video Award at the 2013 MTV VMAs

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