The rapper took issue with an Instagram post Madonna made about her controversial 1992 Sex book.

The Queen of Pop and a rap princess had a royal falling out over the weekend.

You’re welcome bitches."

NEW YORK, NY - AUGUST 20: Madonna poses in the press room at the 2018 MTV Video Music Awards Press Room at Radio City Music Hall on August 20, 2018 in New York City. (Photo by Matthew Eisman/Getty Images); MIAMI BEACH, FLORIDA - DECEMBER 04: Cardi B and Starco Brands launch Whipshots at The Goodtime Hotel on December 04, 2021 in Miami Beach, Florida. (Photo by Arturo Holmes/Getty Images for Whipshots)

Madonna and Cardi B clash over the pop icon’s ‘Sex’ book 30-year anniversary post.Matthew Eisman/Getty; Arturo Holmes/Getty for Whipshots

“I love you [Cardi B]!!”

“Always have and always will.”

“I met my real life IDOL Madonna.

“I grew up with my mom listening to Madonna for hours.

I’m soo happy.”

Check out ourdaily must-see picks plus news, celeb interviews, trivia, and more onEW’sWhat to Watchpodcast.