Greyson Chance
YouTube star Greyson Chance debuts first single 'Waiting Outside the Lines'

Looks like Justin Bieber already needs to watch his back. There’s another bowl-cut-sporting YouTube teen sensation ready to step in on his territory. Greyson Chance, the 13-year-old whose cover of Lady Gaga’s “Paparazzi” has amassed more than 32 millio