"Best friends forever, Me and Cube, going to be best friends forever!" Hart sang as the co-stars spoke with ET during a press junket for their upcoming comedy.
"We ain't best friends forever," Cube responded.
"We got our beards on because we are best friends," Hart argued, pointing out the duo's matching scruff. "I called you! I said, 'Are you cutting it or are you leaving it?' You said, 'I'm leaving it!' I said, 'Well guess what just grew!'"
"I think Olivia has got a little toughness to her," Hart shared. "You got to, you're dating an NFL quarterback."
That would be Green Bay Packers star Aaron Rodgers, who Munn has been dating since May 2014. Recently, the 35-year-old Newsroom star opened up about her relationship with Rodgers and how he's won over her mom. Check out the video below to hear more.