Lisa Kudrow shared an emotional tribute dedicated to her late Friends co-star Matthew Perry on Wednesday.

In an Instagram post , Kudrow reflected on the moment she first bonded with Perry shortly after they shot the pilot episode for the classic 90s sitcom, which at one point had the working title: Friends Like Us.

Shot the pilot, Friends Like Us, got picked up then immediately, we were at the NBC Upfronts, she wrote. ThenYou suggested we play poker AND made it so much fun while we initially bonded. Thank you for that.

Thank you for making me laugh so hard at something you said, that my muscles ached, and tears poured down my face EVERY DAY, she continued. Thank you for your open heart in a six way relationship that required compromise.

Kudrow later added, Thank you for showing up at work when you werent well and then, being completely brilliant.