Getty Images, 4

After four nail-biting rounds, Fuse's Top 40 of 2013 poll has come down to just four artists: Eminem, Rihanna, Katy Perry and Britney Spears. But as of Friday November 15 at 6pm ET, only two will remain in the face-off for Best Video of 2013.

Right now, Eminem's "Berzerk" clip is facing off against Britney Spears' "Work B-tch" video in a dead-heat battle, while Katy Perry's "Roar" is pulling ahead of Rihanna's "Stay" by a whopping 14%. It looks like Katy will K.O. RiRi, but who knows? There's still time for the tide to shift.

Friday night, we'll know which two artists will face off for overall victory. As of now, it's looking like it'll either be Katy vs. Britney for pop supremacy or Katy vs. Eminem for victory.

Then again, it's not over yet for Rihanna if her Navy makes a huge push at the last minute. And between Em and Brit-Brit, it's anyone's guess who will win. Vote now to send your favorite to the final showdown in the Top 40 of 2013 poll.