Actress/singer Miley Cyrus, second from left, poses with fellow "Hannah Montana" cast members, from left, Jason Earles, Mitchel Musso and her father Billy Ray Cyrus at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Actress Heather Locklear reacts to photographers at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. She attended with her daughter, Ava Elizabeth, left.
Actress/singer Miley Cyrus, right, poses with fellow "Hannah Montana" cast member Mitchel Musso at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. Just in case you weren't one of the millions of fans who attended the sold-out concert, you can soon catch it on the big screen in 3-D.
Actress/singer Miley Cyrus, second from left, star of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert," poses with, from left, Kevin, Joseph and Nicholas Jonas of the Jonas Brothers pop band, at the world premiere of the film in Los Angeles, Thursday, Jan. 17, 2008. The film was shot during their 69-city, standing-room-only concert tour.
From left, Kevin, Joseph, and Nicholas Jonas of the Jonas Brothers pop band pose together at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. The yoiung stars were greeted by screaming fans lined up on Hollywood Blvd.
Actress/singer Miley Cyrus, center, poses with her fellow "Hannah Montana" cast members Jason Earles, left, and Mitchel Musso at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Actress Heather Locklear arrives at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. The movie opens nationwide Feb. 1 and runs for one week only. Tickets went on sale Dec. 1 and can be purchased online or at the box office.
Miley Cyrus arrives at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. In addition to concert footage, the film includes a behind-the-scenes peek at Cyrus' life on tour.
Miley Cyrus, left, star of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert," poses with actress Ashley Tisdale, of "High School Musical" fame at the world premiere of the film in Los Angeles, Thursday, Jan. 17, 2008.
"High School Musical" actress and singer Ashley Tisdale poses at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Heather Locklear poses at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Donny Osmond turns a video camera on photographers at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Ashley Tisdale poses at the world premiere of the film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008.
Miley Cyrus poses at the world premiere of her new movie, "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert" in Los Angeles, Thursday, Jan. 17, 2008. The film of her nationally sold-out concert will hit theatres on Feb. 1.
Actress/singer Miley Cyrus, right, star of the new film "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert," poses with photographers wearing blonde wigs in reference to her "Hannah Montana" television character, at the world premiere of the film in Los Angeles, Thursday, Jan. 17, 2008.
Miley Cyrus, as Hannah Montana, is shown in a scene from the big screen version of the sold out American concert tour, "Hannah Montana & Miley Cyrus: Best of Both Worlds Concert."