The rapper is the latest celeb to have something thrown at her on stage, but her outburst could have got her into some potential hot water.
Cardi B ended up throwing her microphone at a fan at her gig in Las Vegas, after the fan threw a drink at her on stage.
The outburst could potentially get her into trouble as the fan allegedly went to the local authorities and filed a police report.
It's been reported that Cardi had asked the crowd before the drink toss, to douse her in water because it was too hot.