Kat Von D's life just went up in smoke.

Kat Von D's life just went up in smoke.The outspoken tattoo artist is mourning the loss of her cat Valentine, whom she lost in a house fire. "R.I.P. my little Valentine," she tweeted Sunday.That's so sad, not to mention scary. The L.A. Fire department was called and arrived at 11:23 p.m. Sunday to battle what was a very strong blaze.The cause of Kat Von D's house fire is still under investigation