David Schwimmer
The Friends actor took part in the forthcoming celebrity version of the show in aid of Stand Up To Cancer.
Jen referenced the sitcom as she wondered whether her former Friends co-star was "trying to steal my thunder" with his Instagram spoof.
Did you know that 9/11 forced a scene to be cut out of ‘Friends’? Or that Bruce Willis appeared on the show because of a lost bet? Check out these and some other secrets from the big show.
We wonder if they would have replicated Rachel's famous meat trifle?
Turns Out Jennifer Aniston Was The Last Person To Find Out She Was Supposedly Dating David Schwimmer
Seems the Friends star failed to get the memo, guys.
Recent reports suggested the Friends actors had got together IRL, years after playing a couple in the US comedy.
Thankfully for Jennifer Aniston and co, the magazine's prediction was far from accurate.
Reports claimed the recent Friends reunion special "stirred up feelings" between the former co-stars.
Mike Morris accused the Ross Geller actor of being "jealous" of the laughs the capuchin monkey would get.