"Cross My Heart" is a song recorded by Canadian pop rock band Marianas Trench.

It was released on November 24, 2008 as the lead single from their second studio album Masterpiece Theatre.

[3] The group premiered a new track, "Cross My Heart" on their MySpace on November 14, 2008.

[4] The song was later released as the official lead single from their second studio album on November 24.

In the end, the woman being followed takes out her headphones, and hears Josh singing to her.