Vergara and the Oscar-winning actress were seen laughing and joking at the Peninsula Hotel in Beverly Hills and sources say they were discussing teaming up with each other in the near future, reported New York Post online.
"They are both great comedic actresses, and a joint project could be fantastic Sofia and Reese couldn't be more different, but they got on famously, they were laughing the whole time. They were heard talking movies and brainstorming ideas," a source said.
Witherspoon is currently on maternity leave after giving birth to son Tennessee James in September and is looking for a role to get her back into work.
Veragara has become a huge worldwide star in recent years after playing Gloria Pritchett in 'Modern Family'.