Meow T-Swizzle!

Taylor Swift is clearly still feeling the burn from her split with One Direction singer Harry Styles, and when the British hunk and his band hit the stage to present the award for Best Pop Video at last night's VMA's, the "I Knew You Were Trouble" singer couldn't help but talk smack about her ex-boyfriend to pal Selena Gomez.

"Shut the f**k up," she was seen mouthing to her bestie when she didn't know the cameras were on her.

The country cutie didn't stop there with her boyfriend bashing, either!

After winning Best Female Video, the Grammy winner thanked her fans, and then took the opportunity to slam her inspiration for the tune, ex Jake Gyllenhaal.

"Thank you. Wow. I want to thank the fans because I tweeted about this a lot, I really really wanted this," she said in her acceptance speech for Best Female Video. "I also want to thank the person that inspired this song, and he knows exactly who he is, because I got one of these!" she told the crowd.

She better be careful, because this kind of catty behavior isn't the way to land a man!