Mariah Carey -- who has yet to publicly confirm that she is pregnant -- stumbled and fell in the middle of a performance this weekend in Singapore, but laughed it off.

Watch the video on RadarOnline.com

Carey, 40, was wearing her trademark high heels when she lost her footing while singing her 1992 hit Make It Happen on Saturday. Her dancers quickly helped her up, and she jokingly told the crowd, "I did that on purpose!"