Katy Perry said it best when she compared Kanye West's 2009 antics to stepping on a kitten. To recap: West famously ran up on stage, snatched the microphone from a shocked Taylor Swift, who'd just beat out Beyoncé for best female video, and took over the speech. "I'm really happy for you, I'm gonna let you finish, but Beyoncé had one of the best videos of all time," he declared as the speechless audience looked on.