Anuel AA showed up on stage in the middle of Karol G's performance in Puerto Rico.
It's the first time the couple have performed together since their public breakup.
Karol G looks shocked in the video which makes it look like it was definitely a surprise on Anuel's part.
Karol G has had a sold out Bichota Tour and this surprise performance was also well received by her fans.
They performed their duets "Secreto" & "Culpables" in front of the screaming audience.
After the show Karol posted a picture of them together which got a million likes in 19 minutes!