Cameron Diaz and Jamie Foxx are teasing their upcoming movie, Back in Action, which lands Jan. 17 on Netflix. A clip posted to social media shows Foxx playing a piano and singing "Back in action, back in action, satisfaction, we're back in action," as Diaz dances. The video then shows the pair sitting side by side on the piano bench. "People don't even realize how long we've been friends," Foxx ...