The Friends actress announced on Instagram on Monday that her father, Days of Our Lives actor John, had passed away on Friday 11 November. "Sweet papa...? John Anthony Aniston. You were one of the most beautiful humans I ever knew. I am so grateful that you went soaring into the heavens in peace - and without pain. And on 11/11 no less!You always had perfect timing. That number will forever hold an even greater meaning for me now (dove emoji) I'll love you till the end of time (heartbroken emoji)... Don't forget to visit."