'Twilight' Robert Pattinson's creepy head sold on eBay

robert-pattinson-bust.jpg Robert Pattinson has a silicone bust ... not to be confused with a silicone-enhanced bosom.

A life-sized version of Edward Cullen's head and neck (aka a bust) was sold on eBay for $1,399, reports R-Patz fansite Robsessed.

The description, which appears to have been taken down after the auction reads: