Olesya Rulin is a Russian-American actress and singer who is perhaps best known for co-starring in High School Musical and High School Musical 2 as Kelsi Neilsen, and she is set to star alongside Jessica Simpson in Major Movie Star. Rulin will also be appearing together with Billy Ray Cyrus in the new drama Flying By. Rulin is also set to reprise her role as Kelsi Nielsen in High School Musical 3: Senior Year.
