The campaign, which will target 16 to 34-year-olds, will flag the film's release in cinemas nationwide on Wednesday, 2 September.
Consumers will be driven to a microsite hosted by Absolute Radio, where they will be given the chance to win a "Golden Ticket" to all UK festivals next year.
On Spotify, listeners will be encouraged to head to the site, where they will be invited to create a Spotify playlist reflecting the various stages of a romance that will then be judged to choose the Golden Ticket winner.
In addition, Absolute Radio DJs including Christian O'Connell, Geoff Lloyd and Jo Russell will create their own relationship playlists, asking listeners to call in to identify the track names and artists in order to win a pair of gig tickets.
The media planning and buying was bought by Vizeum.
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