Where Jennifer Aniston goes first to promote her upcoming comedy “Love Happens” will be the one of the first harbingers of how the late-night booking wars are shaking out, according to The Hollywood Reporter.

NBC’s 10 p.m. “Jay Leno Show” has added a new level of competitiveness to the scene, as it vies not only with rival networks’ shows but NBC’s own “Tonight” show to be the first stop for guests.

–Elizabeth Jensen