Katy Perry or Nicki Minaj!? Which singer's newest single are you digging the most!? In today's Hollywire Hot Minute, I'm pinning two of the music industries biggest divas against each other -- and well,  it's up to you to decide a winner!

Peep the video below, and don't forget to VOTE!

Related Video: Rihanna Vs. Nicki Minaj - Sassiest Grammy Performance!?

Related Article: Katy Perry Aims Not So Friendly Lyrics at Ex Husband, Russell Brand!

Katy Perry sang her breakup song, Part of Me during her Grammy performance on Sunday. Emotions were definitely running high as it was the first time the singer took to the stage, since her divorce from Russell Brand. You and me both know the harsh lyrics were definitely directed towards Perry's new ex. Needless to say, it's a girl power driven song, that we can't seem to get enough of!

And even though Nicki Minaj didn't perform her new single, Starships at the Grammys, she did release it just a few days after Sunday's Show. A very catchy tune, that we can't deny we're diggin'.

So that's that! You tell me, which of these songs, Katy's or Nicki's wins your vote for best single of the week!? Let me know in the comments below -- and tell me why!?