The 'Friends' family is mourning one of its own on social media

Matthew Perry's Friends co-stars — (L-R) David Schwimmer, Jennifer Aniston, Courteney Cox, Lisa Kudrow and Matt LeBlanc — paid tribute to him on social media this week. (Getty Images/Getty Images)

In the days after Matthew Perry was found dead of an apparent drowning at his Los Angeles home on Oct. 28, his Friends co-stars said in a joint statement that "we will say more, as and when we are able."

This week, they have.