One of the biggest heartthrob of Hollywood, Zac Efron, got dirty with a naked woman in a photo shoot for Interview magazine's April edition. "It was definitely different from anything I had ever done before", said the 21 year old star with a tinkle. Currently Zac is busy promoting his upcoming film, 17 Again, scheduled to hit the theaters this April. The High school Musical star is also much in news for his love affair with Vanessa Hudgens, who starred with him in the movie. the two love birds were spotted together getting cuddly many a times. "I feel like a young Audrey Hepburn", Vanessa Hudgens said while she walked down the red carpet with her boyfriend Zac Efron during 81st Academy Awards. Efron stood by her girlfriend during her infamous nude photo shoot scandal.