Trending on BillboardCardi B and Megan Thee Stallion’s “WAP” became certified diamond by the Recording Industry Association of America on Monday (Aug. 3). “Awww y’all WAP just went diamond… me and @theestallion really did that!! Love y’all so much… thank you for streaming and making history with us #WAP,” Cardi wrote. To which the Houston Hottie responded: “WOWW omg diamond sisterrr thank you for having me!” WOWW omg diamond sisterrr thank you for having me💎💎💎 https://t.co/CGHAKQj29e — TINA SNOW (@theestallion) August 3, 2026The certification gives Cardi a fourth diamond song, which is the most of any female rapper ever, and serves as Megan’s first.