You would have thought Delilah shaved Samson's head again after the breathless reports of Britney Spears shaved her head Friday night. Apparently the pop singer-mother-train wreck did the deed before going to a Sherman Oaks tattoo parlor and giving the tabloids something to pun about. A witness told reporters Britney "said she was tired of people touching her head." That makes total sense. Plus, her hair was getting really gross after all the dye......