Deadmau5 has proposed to Kat Von D on Twitter on Saturday, Dec. 15.
He wrote in the Twitter, "I can't wait for Christmas so.... Katherine Von Drachenberg, will you marry me?".
He also attached a photo of the engagement ring and put a not there, "Changing the diamond to a black diamond FYI. Sorry for the jpg . . . they'll finish the actual ring soon I hope. I love u."