Zac Efron trades his trademark floppy hair for a military buzz cut

By DAILY MAIL REPORTER Sir yes sir! Zac Efron has cut off all his hair for his role as a soldier in new film The Lucky OneHis floppy, carefully-styled 'do sparked off a million imitations and is almost more famous than he is.But Zac Efron is sporting a very different look these days.The 23-year-old shaved all his hair off for his role in new film The Lucky One, where he plays a U.S. Marine Serg...