Cardi B shows off her flat tummy one month after welcoming second child (video)

Cardi B, who welcomed a baby in September, has shown off her flat tummy on Instagram and TikTok.

The mother-of-two recorded a video of her and her sister, Hennessy, dancing.

Despite only recently welcoming a baby, Cardi's tummy has snapped back and the rest of her body also looks trim.

Watch the video below.