The actress passed away on Saturday (23May15) and Stiller and his comedian father Jerry were inundated with messages from fans and fellow stars following their loss.

Stiller has now reached out and thanked them for their support, and he offered a brief tribute to his mother in a post on Twitter.com, writing, "Thank you so much for all the kind words about Anne. All of us in our family feel so lucky to have had her in our lives."