The origin series ran from 1998 to 2006.
Find out who's called it quits in 2016.
Rose McGowan, Leonardo DiCaprio, Susan Sarandon and more also celebrated on social media.
It's up to you, PopCrush readers, to determine the best social media presence this year — from acts like Kylie Jenner, Britney Spears, Rihanna and more.
'Every time you sanction abhorrent behavior, you are aiding and abetting a crime,' McGowan wrote in an open letter.
Rose McGowan explains #WhyWomenDontReport on Twitter.
From high school drama queens to straight-up murderers, these onscreen mean girls are as fun to watch as they are cruel.
'The Bad Girl Shaming you received at the hands of the media was merciless," McGowan wrote to Doherty of their 'Charmed'-era days.
McGowan replaces the 'Variety' writer's Zellweger comments with male actor's names: 'In the case of MATT DAMON, it may look to a great many people like something more than an elaborate makeup job has taken place, but we can’t say for sure.'
Rose McGowan and many 'X-Men' fans chided the studio for its apparent glamorizing of violence against women.