On Monday (Aug. 3), Cardi B celebrated another career-defining moment after the Recording Industry Association of America (RIAA) officially certified "WAP" Diamond, recognizing the song for reaching the equivalent of 10 million units sold in the United States. According to XXL, "WAP" is now the first collaboration between two female rappers to earn Diamond certification, making it a landmark moment for women in hip hop. Another Record for Cardi BThe Diamond plaque is just the latest addition to Cardi B's growing list of accomplishments. According to Chart Data, Cardi now has more RIAA Diamond-certified songs than any other female rapper, with four in total. To celebrate the new release, Cardi encouraged fans to make the song part of every occasion.