Justin Bieber lost two of his most faithful Beliebers when he snubbed Ronda Rousey and her little sister for a quick photo op.

Rousey invited her 16-year-old sister Julia to the Cannes Film Festival earlier this year to spend some time together, the UFC fighter told Cosmopolitan.com. Julia spotted Bieber snapping photos with other ladies and asked Ronda if he would take a photo with them.

As they approached the "What Do You Mean" singer, he turned around and barely allowed Ronda to get a word out before he shut her down.

"I've already taken a billion pictures today, OK?" Bieber told Ronda. "A billion," he added and walked away.

The sisters were devastated and on the verge of tears, Julia said to her sister, "I'm no longer a Belieber." Ronda also has no interest in ever hanging out with the pop singer.

"I'm not a Belieber. I was but I'm not anymore," she said.

Ronda isn't too fond of Bieber's favorite fighter Floyd Mayweather Jr. either. She threw shade at Mayweather while accepting the ESPY's Best Fighter over him in July, alluding to his history of domestic violence.

She also doesn't believe that he doesn't know who she is and plans to politely introduce herself if they ever run into each other.

"Since he keeps pretending he doesn't know who I am, I wouldn't go out of my way to find him. But if I ran into him, I'd probably just introduce myself every single time that I saw him. I'd be like, 'Hi, I'm Ronda.' 'Yes, I'm Ronda.' 'Hi, I'm Ronda,'" she told Cosmopolitan.com.

"I would shake his hand because he is an amazing boxer - I think he is one of the best of all time. But I will introduce myself as many times as I need to. He apparently has a lot of trouble remembering who I am."

Ronda is gearing up for her next fight against Holly Holm on Nov. 14, which will air on pay-per-view.