We have no idea if this is a eggnog induced hoax, if Pete had a makeup artist do this for a music video or some other reason or if he was really injured. We'll let you be the judge of that. Here is part of his message and one of the photos:

Several unsightly wounds are scattered around my face and eyes (see fig. 2). Choose your own excuse to advance the story!!! My face was badly bludgeoned because�. A) Latenight game of "face jousting" gone horribly right. B) Called Perez a gay slur. C) Called Will.I.Am "Perez." D) In a Nyquil-induced haze I confused my own reflection with my estranged brother, David Archuletta. Ran into mirror full-speed.
- The list goes on here with more photos