Jamie Foxx made a controversial joke about Bruce Jenner's reported transition at the 2015 iHeartRadio Music Awards on Sunday (March 29), and then he made headlines.

"We've got some groundbreaking performances here tonight," the actor started. "Bruce Jenner will be here doing some musical performances. He's doing a his-and-her duet all by himself."

Foxx then walked to the side of the stage and continued the controversial commentary, remarking, "Look I'm just trying to bust your balls… while I still can."

While the audience seemed to take it lightly, half-laughing, half-groaning, Foxx's joke was immediately met with outrage across social media, including from Perez Hilton, who promptly called the actor out for his "transphobic" humor.

Things had to have been pretty uncomfortable for Kylie Jenner, who was reportedly in the audience that night as well. Because yeah, we're willing to bet that she didn't appreciate the joke.

While the entire Kardashian-Jenner clan has kept quiet about the Jenner family patriarch's reported transition into a woman, Kendall Jenner went after gossip magazine Us Weekly for publishing a false interview that claimed she spoke out about her father's transition.

"[My dad] is a wonderful man. And just because he’s changing shoes now, so to speak, doesn’t make him less wonderful," the magazine falsely quoted her as saying. "I will always love my dad, whether he’s a man or a woman."

After the model berated the magazine via Twitter, the publication looked into the matter and quickly retracted the story.

See the Best Dressed Celebs at the 2015 iHeartRadio Music Awards

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