Kenny Ortega, center, director of "High School Musical 3: Senior Year," poses with cast members Ashley Tisdale, left, and Zac Efron at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Vanessa Hudgens, a cast member in "High School Musical 3: Senior Year," arrives at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Zac Efron, a cast member in "High School Musical 3: Senior Year," is photographed at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Ashley Tisdale, a cast member in "High School Musical 3: Senior Year," poses on the red carpet at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Monique Coleman, a cast member in "High School Musical 3: Senior Year," poses at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Vanessa Hudgens, a cast member in "High School Musical 3: Senior Year," signs autographs for fans at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Corbin Bleu, a cast member in "High School Musical 3: Senior Year," poses at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Zac Efron, right, and Vanessa Hudgens, cast members in "High School Musical 3: Senior Year," pose together at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Kenny Ortega, director of "High School Musical 3: Senior Year," poses with his dog, Manley, at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Ashley Tisdale, left, and Vanessa Hudgens, cast members in "High School Musical 3: Senior Year," pose together at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
"High School Musical" sweethearts Zac Efron, right, and Vanessa Hudgens pose together at the premiere of their film in Los Angeles, Thursday, Oct. 16, 2008.
Ashley Tisdale, left, a cast member in "High School Musical 3: Senior Year," pets Manley, director Kenny Ortega's dog, at the premiere of the film in Los Angeles., Thursday, Oct. 16, 2008.
Vanessa Hudgens, a cast member in "High School Musical 3: Senior Year," poses at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.
Fans take photos of Zac Efron, a cast member in "High School Musical 3: Senior Year," as he poses on the red carpet at the premiere of the film in Los Angeles, Thursday, Oct. 16, 2008.