It's not good enough to have a quality voice anymore in the music biz. In fact, one's singing skills are something they're fairly flexible about, now that Auto-Tune is a thing. No, the key feature of any aspiring young pop star is the bangability factor, which is to say do they make the kids horny for them? This is the true litmus test for anyone looking for success in that gig. Here are 6 such sexy singers who have definitely passed that test. Which one puts a song in your heart, or other parts of your anatomy?