Olesya Rulin

Olesya Yurivna Rulina (; born March 17, 1986) is a Russian-American actress. She is best known for co-starring in all three films of the ''High School Musical'' franchise as Kelsi Nielsen. She also starred in the films ''Private Valentine: Blonde & Dangerous'' (2008), ''Flying By'' (2009), ''Expecting Mary'' (2010) and ''Family Weekend'' (2013). Provided by Wikipedia