The Twilight Saga - Eclipse (2010)

Genre: Drama, Fantasy, Romance
Starring: Kristen Stewart, Robert Pattinson, Taylor Lautner, Bryce Dallas Howard, Anna Kendrick, Michael Welch, Christian Serratos

Plot: As a string of mysterious killings grips Seattle, Bella, whose high school graduation is fast approaching, is forced to choose between her love for vampire Edward and her friendship with werewolf Jacob.

http://www.imdb.com/title/tt1325004/
http://en.wikipedia.org/wiki/The_Twilight_Saga:_Eclipse