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Spoilers for Friends: The Reunion ahead.

Friends had more A-list guest stars than we can count. From Paul Rudd to Ben Stiller, Reese Witherspoon to Julia Roberts, Bruce Willis to Danny DeVito, the list of cameos goes on and on. In the cast’s long-awaited reunion, the stars look back on some of these memorable performances, including a famous visit from Brad Pitt.

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The actor appeared in the 2001 Thanksgiving episode while he was married to Jennifer Aniston. He played Will Colbert, Rachel’s high school nemesis who started an I Hate Rachel Green Club.

In Friends: The Reunion, David Schwimmer noted “your fella, Brad,” pointing to Aniston, while reminiscing on standout guest stars. “Pitt came [and] did one,” the actress responded, nodding.

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While promoting the reunion special, Aniston also spoke highly of her ex. “Mr. Pitt was wonderful, fantastic,” she told Access Hollywood while calling out some of her favourite Friends guests stars.

Related article: How Jennifer Aniston And David Schwimmer Really Felt About Each Other During Friends

Pitt, who earned an Emmy nomination for his performance, has also looked back on his time on the show and applauded the “great cast” while speaking to Access in 2019. “I mean, they laughed and really had a great time with each other,” he said. However, it wasn’t all smooth sailing on set. “I flubbed my first line,” Pitt said. “We had to stop and start again.”

Aniston and Pitt divorced in 2005, but they famously reunited backstage at last year’s SAG Awards, sending the Internet into a total tailspin. They also had a virtual reunion last year for a table read of Fast Times at Ridgemont High.

This article originally appeared on Harper’s BAZAAR US.