Answer
The 2012 action comedy film "This Means War" features Reese Witherspoon as Lauren Scott, the love interest of Franklin "FDR" Foster, portrayed by Chris Pine. The movie follows the chaotic events that ensue when two CIA agents, best friends FDR and Tuck Hansen (Tom Hardy), discover they are unknowingly pursuing the same woman. Witherspoon's character becomes the object of their friendly competition, leading to hilarious and sometimes dangerous situations.