Mark Grimmie

Mark Grimmie is her older brother. He has made some few cameo appearances in her music videos. He is seen in some of her videos with his guitar or in her outtakes, laughing.

On June 10, 2016, Christina was shot by a gunman. Mark tackled the person, who shot himself, and possibly saved other lives in the process. He is hailed as a hero. At a hometown vigil, he later thanked mourners for their support and recounted his sister's final moments.