Olesya Yurivna Rulina[1] (Russian: Oлeся Юрьевна Pулина; born March 17, 1986) is a Russian-American actress.

She also starred in the films Private Valentine: Blonde & Dangerous (2008), Flying By (2009), Expecting Mary (2010), and Family Weekend (2013).

"[6] Rulin reprised her role as Kelsi Nielsen in High School Musical 3: Senior Year, also with a larger part, and performed three songs, including a duet with Lucas Grabeel.

[7] Rulin co-starred with Jessica Simpson in the film Major Movie Star (released in the United States under the title Private Valentine: Blonde & Dangerous).

In August 2014, it was announced that Rulin would be playing the role of Callista Secor in the PlayStation Network series Powers, which ran for two seasons from 2015-16.