Cardi B is already at number four on iTunes charts with “Bartier Cardi,” featuring 21 Savage #BartierCardi [PHOTO]

How hit records are classified has drastically changed since iTunes became the force it is. But, who is a big deal is something that can never be changed. Right now, Cardi B is clearly the one leading the game.

Two of the hottest records out, G-Eazy’s “No Limit” and Migos’ “Motorsport,” boast Cardi B features. There, she holds her own against the likes of Nicki Minaj, among others. But, Cardi B is the one everybody’s talking about.

Cardi B dropped her “Bartier Cardi” single, featuring 21 Savage, her long-awaited follow-up single. The record is already proving to be a massive hit. In only a few hours, “Bartier Cardi” is the number four overall single on iTunes.