Kat Von D and DJ Deadmau5 split up, announced the 30-year-old tattoo artist via her Twitter on Saturday.
"Man . . . Can't say I didn't give it my best," she wrote. "Man, I sure was wrong. But at least he made it a no-brainer to break that off. Lesson Learned."
The “LA Ink” star and the Canadian DJ, 31, (real name: Joel Zimmerman) started dating after meeting at a party in September.
"Now, we can get all of the 'I told you so's' outta the way . . . And move on," she tweeted Saturday. And in case anyone was confused by her tweeting, Kat Von D added, "Clarification: Deadmau5 and I are no longer together."
As for Deadmau5, the 31-year-old Canadian electro-house music master said he needed time to think.
"Going to spend a little while screwing my head back on. I guess I'm not cut out for relationships right now," he Tweeted Saturday. "I'll figure it out. No hard feelings."
Before dating Deadmau5, Kat had an on-again, off-again relationship with Sandra Bullock's ex, Jesse James.
The two became engaged in January 2011, but called things off for good in September 2011.
After the split, Kat Von D wrote on Facebook, "Today I encountered the 19th girl to add to the list of people Jesse cheated on me with during this last year."