Ever since Nicki Minaj declared to Hot 97 that she's tucking her pop persona in (for now) and dusting off her mic, the cameo queen has been going hard in the booth. So much so, that when we spot those N.M. initials featured on a track, we're once again anxious to hear it. We already ran through 10 of her most impressive recent verses. Which cameo goes the hardest? Did Nicki get the best of Meek or Wale?