Things got very naughty when Madonna brought Brienne of Tarth on stage

Madonna engaged in a banana sword fight with a Game of Thrones star during a concert in Sydney March 19. That's not a sentence you get to read very often.

While on her Rebel Heart tour, Madonna finished up her song "Unapologetic Bitch" by asking for a volunteer to come onstage. She just happened to pick actress Gwendoline Christie. Christie appears at the 1:30 mark (try to ignore the camera shaking in 50 fps).

Christie is best known for her role of Brienne of Tarth on Game of Thrones and her role as Captain Phasma in Star Wars: The Force Awakens. While on stage, the pair did some dancing, then Madonna gives Christie a spanking and things get weirder from there.

Turns out Madonna is a Game of Thrones fan, or at least a Brienne fan. Wanting to learn some of Brienne's awesome sword fighting skills, she pulls out two "rhinestone covered banana flasks,” which for the uninitiated is a flask shaped like a banana and covered with rhinestones.

They fight around 5:30 mark until Madonna takes a hit from Christie's rhinestone banana, perhaps because Madonna comes up just short of Christie's shoulders. But it's ok, because they both down the banana flasks and Madonna wishes Christie a good night by saying, "I want to fuck you."

All in all, there were no serious rhinestone banana-related injuries, which always makes for a good night.

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