United Kingdom, Dec. 13 -- The Friends cast have teamed up for a fundraiser in honour of the late Matthew Perry.

The actor passed away two years ago following a ketamine overdose and his co-stars Jennifer Aniston, Courteney Cox, David Schwimmer, Matt LeBlanc and Lisa Kudrow have come together to sign artwork commissioned by the Matthew Perry Foundation, which was established after their friend's death to help and support those struggling with addiction.

Sharing photos of the cast signing the prints, the foundation explained on Instagram: "The cast has teamed up with @soundwaves_art and artist Tim Wakefield for a very special collection of artwork this holiday season.

"Tim has transformed the actual soundwaves of the 'Friends' theme son...