Mickey Rourke is under scrutiny after comments he made toward JoJo Siwa in the "Celebrity Big Brother U.K." house were criticized as homophobic and problematic.

The actor later apologized to Siwa, telling her, "I've got a habit of having a short fuse, and I don’t mean nothing by it. I do mean [I’m sorry]."

As she settles into the Big Brother house, read on for all you need to know about JoJo Siwa. JoJo Siwa is a singer and dancer who first rose to fame after appearing on Dance Moms. Since then, she has gone from strength to strength, having appeared in various Nickelodeon TV shows and even her own film.