In a video Tuesday night, she said the two remain good friends and business partners. but they are no longer in love.
"It's nobody's fault I guess we just grew out of love but we are not together anymore".
The rapper continued, "We've got a lot of love for each other but things just haven't been working out for us for a long time".
Many fans have speculated the video may be a prank as it was only a few days ago that Cardi shared photos of the couple kissing at a basketball game.
She concluded: 'I'm going to always have a lot of love for him because he is my daughter's father, and. yeah'.
Anthony Joshua works up a sweat with gruelling abs exercise
I'm a boxer not a businessman and I'll probably go down the same route as every other boxer - skint at the end of it all. We can't get away from this fight. "It is a fight we definitely want for April and will work hard to make".
We're sending our love to Cardi and Offset at this hard time. "I don't know, it might take time to get a divorce".
In the comments of the post, Offset chimed in, saying "y'all won".
The appeared to get engaged on October 27, when he proposed to her during her Power 99 Powerhouse concert in Philadelphia. However, they officially Wednesday a month before in a private ceremony at their home.
The Globe's top picks for what to see and do each weekend, in Boston and beyond. She married the Migos rapper past year, but didn't announce the nuptials until this summer, just one month before their daughter, Kulture Kiari, was born in July.
Hit the flip for all the responses to this surprising news.