Matthew Perry, Courtney Cox reunite for 'Go On'

UNDATED (WHDH) -- The set of the NBC sitcom "Go on" served as a mini-"Friends" reunion.

Actor Matthew Perry tweeted, “Courteney Cox shooting “Go On” today..! She is fantastic, obviously. And my desire to show off in front of her is back in full swing!”

He also shared a photo of him posing with Courtney Cox after she filled a cameo on the show.

The two played Monica and Chandler on Friends.

The episode of "Go on" featuring Cox is set to air in April.