Valentine's Day (2010)

Genre:Comedy | Romance
Tagline:A Love Story. More or Less.
starring: Julia Roberts, Bradley Cooper, Ashton Kutcher, Jessica Alba, Patrick Dempsey, Anne Hathaway, Jessica Biel, Jamie Foxx, Jennifer Garner, George Lopez, Hector Elizondo, Kathy Bates, Emma Roberts, Carter Jenkins, Bryce Robinson, Taylor Swift, Taylor Lautner, Eric Dane, Queen Latifah, Shirley MacLaine, and Topher Grace.

Plot:Intertwining couples and singles in Los Angeles break-up and make-up based on the pressures and expectations of Valentine's Day.

http://www.imdb.com/title/tt0817230/
http://en.wikipedia.org/wiki/Valentine's_Day_(film)