03/16/2009 at 07:40 PM EDT
They never taught this
in high school.
Zac Efron gets dirty – then a little dirtier – as he rolls around on the ground with a naked woman in a photo spread
magazine's April edition.
"It was definitely different from anything I had ever done before," the 21-year-old High School Musical
heartthrob says. – Mike Fleeman