Justin Timberlake with Amanda Seyfried on the set of "Now"

Continuing along with her new movie, Justin Timberlake and Amanda Seyfried was hard at work on the set of "Now" in Los Angeles, California Wednesday, December 15. The "social network" rule and "Mamma Mia" babe filmed several scenes, including one where they lock lips passionately in the middle of the street.