India, Dec. 14 -- Jennifer Aniston, Lisa Kudrow, Matt LeBlanc, David Schwimmer, and Courteney Cox have teamed up for a special tribute to Matthew Perry. On Friday, the surviving Friends cast members were seen signing a piece of artwork for a charity fundraiser in partnership with the late actor's foundation.

"The cast has teamed up with @soundwaves_art and artist Tim Wakefield for a very special collection of artwork this holiday season," the Matthew Perry Foundation wrote on Instagram. The post featured individual slides of each cast member signing artwork inspired by their respective characters on the beloved comedy show.

The foundation explained that "Tim has transformed the actual soundwaves of the 'Friends' theme song into these be...