Sources close to the former couple say they parted ways earlier this month, with no word on why or how. It is not yet known who dumped who.
The pair still follow each other on Twitter, which makes us think the split could be amicable.
Gaga hasn't posted about the hunk for some time and they've barely been spotted at any events together.
Taylor popped the question on Valentine's Day 2015 with a striking Lorraine Schwartz designed engagement ring which Gaga showcased on Instagram.
The popstar and fiance, Taylor Kinney, have reportedly ended their five year relationship.
Oh, no! Lady Gaga and Taylor Kinney are OVER.
Last week, Gaga, 30, was seen without her engagement ring while she was out and about in Malibu.
The pair own two French bulldogs together, named Koji and Miss Asia Kinney.
The duo never publicly announced a wedding date. We thought they made one of the best couples, so we're super heartbroken that they've split...though not as heartbroken as Mother Monster and the Chicago Fire star are themselves, of course!