Cameron Crowe plans to go behind the camera with a romantic comedy starring Ben Stiller and Reese Witherspoon.

Crowe wrote the screenplay and is producing.

Crowe’s film begins filming in January when Stiller and Witherspoon’s schedules open.

Stiller next will be seen in the August comedy “Tropic Thunder,” which he also co-wrote, produced and directed. He is shooting “Night at the Museum 2: Escape From the Smithsonian.”

Witherspoon’s upcoming projects include “Four Christmases,” opposite Vince Vaughn. She is voicing characters for DreamWorks Animation’s “Monsters vs. Aliens.”