The actress finds herself at the centre of a heated love triangle in the action-comedy, with Chris Pine and Tom Hardy playing CIA agents vying for her affections. Director McG, Hardy's fiancée Charlotte Riley and US actress Bridget Moynahan also attended the red carpet event.
This Means War previews on February 14 and will open nationwide on March 2.
> This Means War picture gallery
> This Means War trailer
View This Means War premiere photos below: