"I wanna thank the fans because I tweeted about this a lot. I really, really wanted this... and 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." Taylor Swift dedicates her MTV Video Music Award for Best Female Video to the ex who inspired her hit song I Knew You Were trouble. The singer accepted the prize four years after her speech for the same Moonman trophy was interrupted by a drunk Kanye West.