Kyle MacLachlan, Naomi Watts, Isabella Rossellini and other collaborators of David Lynch mourned the filmmaker's death on social media.

I will miss him more than the limits of my language can tell and my heart can bear. My world is that much fuller because I knew him and that much emptier now that he’s gone.”

Kyle MacLachlan — an actor who frequently collaborated with David Lynch — shared a lengthy, heartfelt tribute to his friend on Instagram after the iconic filmmaker’s death at the age of 78 on Thursday.