Updated:Kat Von D's new engagement to Deadmau5 is all the tweet! The LA Ink star, 30, was proposed to by her electronic music producer beau, whose real name is Joel Zimmerman, 31, on Twitter. In 140 characters he tweeted, "I can't wait for Christmas so…. Katherine Von Drachenberg, will you marry me? @thekatvond". The proposal was followed by a twitpic of the ring. Apparently she said yes. Because right after she tweeted, "Mi corazon!!! Thank you all for the lovely congratulations!