David Hallberg, 29, center, will be debuting in Moscow this weekend as a premier dancer with the famed Bolshoi Ballet. (AP Photo/Kathy Willens).Conductor Vladimir Yurovsky, centre, conducts the Bolshoi Theater orchestra during a dress rehearsal of 'RuslaDavid Hallberg will also remain a principal with the New York based American Ballet Theatre (AP Photo/Kathy Willens).The pointed toe of David Hallberg (AP Photo/Kathy Willens).The main hall of the Bolshoi Theater seen before a dress rehearsal of 'Ruslan and Ludmila', a 1842 opera by Russian composer Mikhail Glinka in Moscow. Russia's iconic theater reopened last week after a massive, $700-million reconstruction that lasted sDavid Hallberg speaks to the media before a dress rehearsal of 'Sleeping Beauty' in the Bolshoi Theater in Moscow, Russia (AP Photo/Alexander Zemlianichenko).Russian ballerina Svetlana Zakharova speaks to the media before a dress rehearsal for 'Sleeping Beauty' at the Bolshoi Theater in Moscow (AP Photo/Alexander Zemlianichenko).Italian costume designer Ezio Frigerio speaks to the media before a dress rehearsal of 'The Sleeping Beauty' (AP Photo/Alexander Zemlianichenko).American dancer David Hallberg, as Prince performs at a dress rehearsal of 'The Sleeping Beauty' in the Bolshoi Theater in Moscow. Russia's iconic theater reopened after a massive, $700-million reconstruction that lasted six years and restored the builRussian ballerina Svetlana Zakharova, foreground, as a Princess performs at a dress rehearsal of 'The Sleeping Beauty' (AP Photo/Alexander Zemlianichenko).Russian ballerina Maria Allash, right, as a Fairy and David Hallberg, left, as a Prince perform at a dress rehearsal of 'The Sleeping Beauty' (AP Photo/Alexander Zemlianichenko).Svetlana Zakharova, center right, and David Hallberg, center left (AP Photo/Alexander Zemlianichenko).Svetlana Zakharova, center right, and David Hallberg, center left (AP Photo/Alexander Zemlianichenko).Svetlana Zakharova, lies, as a Princess and American dancer David Hallberg, behind her, as a Prince perform at a dress rehearsal of 'The Sleeping Beauty' (AP Photo/Alexander Zemlianichenko).Svetlana Zakharova, center right, and David Hallberg, center left (AP Photo/Alexander Zemlianichenko).Russian ballerina Svetlana Zakharova, center top, performs as the princess (AP Photo/Alexander Zemlianichenko).Albina Shagimuratova as Lyudmila, right, performers at Moscow's Bolshoi Theater (AP Photo/Alexander Zemlianichenko).Performers at thes Bolshoi Theater seen during a dress rehearsal of 'Ruslan and Ludmila', a 1842 opera by Russian composer Mikhail Glinka in Moscow (AP Photo/Alexander Zemlianichenko).The Bolshoi Theater orchestra seen during a dress rehearsal of 'Ruslan and Ludmila'(AP Photo/Alexander Zemlianichenko).Conductor Vladimir Yurovsky, centre, conducts the Bolshoi Theater orchestra during a dress rehearsal of 'Ruslan and Ludmila' (AP Photo/Alexander Zemlianichenko).Russia's famous choreographer Yuri Grigorovich, 83, makes remarks during a dress rehearsal of 'The Sleeping Beauty' (AP Photo/Alexander Zemlianichenko).Honour guards stand in front of the Bolshoi Theater illuminated for a gala opening in Moscow (AP Photo/Alexander Zemlianichenko).Actress Monica Bellucci, left, arrives for a gala opening of the Bolshoi Theater in Moscow (AP Photo/Alexander Zemlianichenko).Russian President Dmitry Medvedev speaks at a gala opening of the Bolshoi Theater in Moscow (AP Photo/Damir Yusupov, Bolshoi Theater, SABT).Russian President Dmitry Medvedev's wife Svetlana, right, speaks with choreographer Yuri Grigorovich at a gala opening of the Bolshoi Theater in Moscow (AP Photo/RIA Novosti, Vladimir Rodionov, Presidential Press Service).Russian President Dmitry Medvedev, second right, his wife Svetlana, left, and famous opera singer Yelena Obraztsova, right, attend a gala opening of the Bolshoi Theater in Moscow (AP Photo/RIA Novosti, Vladimir Rodionov, Presidential Press Service).People watch a live broadcast of Russian President Dmitry Medvedev's speech at the gala opening of the Bolshoi Theater in Moscow (AP Photo).