Uh oh...Is Deadmau5's relationship with Kat Von D over?

Kat Von D recently tweeted this message to her followers which alludes that Canadian superstar Deadmau5 has allegedly cheated on his fiance:

(VIA Stoney Roads

*Update:  

Deadmau5 posted a statement on Facebook

"All i am saying on the matter:

Kat and I split in November and I moved back home to Toronto. During this time, while we were broken up, I did have relations with another woman. Following that, Kat and I reconciled and I acknowledged being intimate with another person while we were estranged.

We did move past those issues and I proposed to Kat in mid- December. At the end of June, it was clear that the relationship was not working and we mutually ended the engagement. I was not, at any point, unfaithful to Kat during our time together..."

Read the full statement here.