Zac Efron arrives at the Teen Vogue Young Hollywood Party at the Los Angeles County Museum Of Art on September 18, 2008 in Los Angeles, California.Gregg DeGuire/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron arrives at the "Me and Orson Welles" Premiere held at the Ryerson Theatre during the 2008 Toronto International Film Festival on September 5, 2008 in Toronto, Canada.George Pimentel/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron attends "High School Musical 3: Senior Year" photocall at the ME Hotel on October 3, 2008 in Madrid, Spain.Fotonoticias/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron attends the press junket for High School Musical 3: Senior Year at the Dorchester on October 8, 2008 in London, England.Eamonn McCormack/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron attends the premiere of the High School Musical 3: Senior Year at Empire Leicester Square on October 7, 2008 in London, England.Ferdaus Shamim/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron arrives at the 2008 ESPY Awards held at NOKIA Theatre L.A. LIVE on July 16, 2008 in Los Angeles, California. The 2008 ESPYs will air on Sunday, July 20 at 9PM ET on ESPN.Jeffrey Mayer/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron arrives at the High School Musical 3: Senior Year UK Premiere held at the Empire Cinema Leicester Square on October 7, 2008 in London, England.Jon Furniss/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron arrives at the 2008 MTV Video Music Awards at Paramount Pictures Studios on September 7, 2008 in Los Angeles, California.Steve Granitz/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Vanessa Anne Hudgens and Zac Efron arrive at the 2008 Teen Choice Awards at Gibson Amphitheater on August 3, 2008 in Los Angeles, California.Steve Granitz/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Vanessa Anne Hudgens and Zac Efron arrive at the Los Angeles Premiere of "High School Musical 3" at the Galen Center at the University Of Southern California on October 16, 2008 in Los Angeles, California.Jeffrey Mayer/WireImage.com - Monday, October, 27, 2008, 11:27 PM

Zac Efron accepts the award for Choice Male Hottie onstage at the 2007 Teen Choice Awards.John Shearer/WireImage.com - Monday, August, 27, 2007, 7:27 PM

Vanessa Hudgens and Zac Efron onstage at the 2007 Teen Choice Awards.John Shearer/WireImage.com - Monday, August, 27, 2007, 7:27 PM

Zac Efron arrives to the 2007 Teen Choice Awards.Steve Granitz/WireImage.com - Monday, August, 27, 2007, 2:27 AM

Zac Efron arrives to the 2007 Teen Choice Awards.Steve Granitz/WireImage.com - Monday, August, 27, 2007, 2:27 AM

Zac Efron and Vanessa Hudgens arrive at the world premiere of High School Musical 2 at Downtown Disney.Steve Granitz/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Zac Efron arrives at the premiere of High School Musical 2 at the Downtown Disney District at Disneyland Resort .Steve Granitz/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Zac Efron, Mickey Mouse and Minnie Mouse arrive at Disney's High School Musical 2 world premiere at Downtown Disney.Gregg DeGuire/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Monique Coleman and Zac Efron arrive at the world premiere of High School Musical 2 at Downtown Disney.Steve Granitz/WireImage.com - Wednesday, August, 15, 2007, 9:15 PM

Zac Efron arrives at the Baltimore Premiere of "Hairspray"Jemal Countess/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM

Zac Efron arrives at the "Hairspray" Newark Premiere and Welcome Home Celebration for Queen Latifah.Jim Spellman/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM

Zac Efron arrives at the "Hairspray" New York City Premiere.Kevin Mazur/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM

Zac Efron arrives at the lunch of "Hairspray Jewelry Collection".Jean Baptiste Lacroix/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM

Zac Efron arrives at the "Hairspray" Los Angeles Premiere.Steve Granitz/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM

Zac Efron attends the Canadian premiere of "Hairspray".George Pimentel/WireImage.com - Wednesday, August, 15, 2007, 10:15 PM