VIDEO : Mark Hamill Hilariously Reminds Fans of His Online Friendship with Ariana Grande

Back in December, Mark Hamill and Ariana Grande nearly broke the Internet with their new found friendship. The Star Wars star and singer/songwriter starting chatting on Twitter when Hamill admitted that he did not realize that "Thank you, next" was a reference to the singer's album. From there, they had some adorable exchanges and today ...