Deadmau5 and Kat Von D End Engagement

Another engagement comes to an end for Kat Von D.

The tattoo artist turned reality star, 31, revealed that she and fiancé Deadmau5 (real name Joel Zimmerman) have split – but can’t seem to agree on why.

“Man, I’m a fool,” Von D Tweeted Wednesday morning.

She soon addressed what she was alluding when she announced the split on Twitter later that day.

Deadmau5 and Kat Von D Plan an Underwater-Themed Wedding

After Kat Von D and Joel Zimmerman, a.k.a. Deadmau5, became engaged in December, they couldn’t wait to start planning their wedding.

On Aug. 10, the couple will marry in an “underwater-themed” ceremony before 200 friends and family in Los Angeles, the tattoo artist tells PEOPLE.

5 Things You Missed This Weekend: Kelly Clarkson's Engaged, Duchess Kate Is Stepping Back Out & More

It was a weekend overshadowed by tragedy as a nation mourned the 26 lives lost in the Connecticut school shooting.

Yet some happier news emerged from Hollywood and across the pond, amid a string of wedding and royal engagements.

Here’s what you missed:

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Kat Von D Engaged to Deadmau5 – Who Proposed on Twitter!

How, uh, romantic?

Electronic music star Deadmau5 took to Twitter to pose this question of girlfriend Kat Von D: “I can’t wait for Christmas so … Katherine Von Drachenberg, will you marry me?”

Deadmau5, whose real name is Joel Thomas Zimmerman, included a photo of a diamond ring with the disclaimer, “Changing the diamond to black diamond FYI. Sorry for the jpg they’ll finish the actual ring soon I hope.”