British actor Alan Rickman has died at the age of 69 from cancer, it was confirmed Thursday morning.
As the shocking news continues to spread about the "Harry Potter" and "Die Hard" star's tragic death, celebrities are taking to social media (as they do) to mourn the acting legend.
READ MORE: Alan Rickman, British film icon, dies at 69
Scroll through the gallery below to see how stars, celebrities and paid their respects to the actor:
Emma Watson, who starred as Hermione alongside Rickman in the "Harry Potter" films, expressed her condolences on Facebook:
I'm very sad to hear about Alan today. I feel so lucky to have worked and spent time with such a special man and actor. I'll really miss our conversations. RIP Alan. We love you
Daniel Radcliffe posted a long message on his Google+ profile, mourning the tragic loss:
Rickman had a multitude of iconic roles in films throughout his storied career. Click through the gallery below to recall some of his most memorable characters:
More from AOL.com:
Oscar nominations 2016: Full list of 88th annual Academy Award nominees
Nick Carter arrested in Florida after alleged bar fight
What does Joe Jonas have in common with Paul McCartney in Hot 100 history?