We bring you a face-off between these teen sensations who have much more in common than their shaggy bangsu00a0

Their Big Breaks

Justin and Greyson were both discovered on YouTube. Their fans are true evangelists and they owe their success to them. Here's a look at their first respective appearances online.

Justin Bieber singing <17 Million hits>



Greyson Chance singing 'Stars' his original composition<24 Millions hits>

Is Bieber better?u00a0