28-year-old Kendrick will play a woman whose bad luck streak at finding lasting love seems to end when she meets Mr Right, reported Ace Showbiz.
The script is handled by 'Chronicle' screenwriter Max Landis, and 'Tokarev' director Paco Cabezas will be helming the project.
Rockwell last shared screen with Olivia Wilde and Michelle Monaghan in dramedy 'Better Living Through Chemistry'.
His next film 'Laggies' premiered at Sundance Film Festival early this year, but won't hit theaters until September 26. The 'Iron Man 2' villain is cast in horror thriller 'Poltergeist' slated for release in 2015.