"It's not I hate her because she's a billionaire. I don't like her because she is a billionaire and makes sure everyone knows that she is, which is like, I didn't grow up with money or anything like that. And even if I did, I'm not very much like that," she told HuffPost Live.
"If somebody wasn't flaunting it in a mean way to make other people feel bad about themselves, then I would not mind it. It's when people do it in certain types of ways that make you not appreciate them as much."
In fact, Bella insists that this is just something that everyone goes through.
"It's not necessarily about one person...there's always a mean girl in school – it's in Hollywood to. Our life is not so overly glamorous. It's exactly what you're going through, but there's photos taken of it."
She's already denied that it's Kendall Jenner or Kylie Jenner, and a lot of people have been speculating about who she's really talking about. While Miley Cyrus and Ariana Grande's names have been brought up, others are pointing the blame at Nicola Peltz (her dad is, in fact, a billionaire).
Who do you think Bella is talking about? Are you surprised that she has a Hollywood mean girl? Let us know in the comments!