My little sister thinks she is Boy George. Should I be scared?

From the braids to the fake British accent there is no mercy. She has trained my smaller sisters to sing all the words and prudent to be the rest of the band. She will not respond unless you call her George. Even in public. She looks just like Drew Barrymore look alike. She wears guys clothes and every sentence and comment is " Damm It" Do you really want to hurt me" Shut Up! Time is the clock of my heart" She makes home videos of herself recreating dumb Culture Club moments. We showed the photos of him looking like a Play dough covered child predator, but she still says he is a god! Should I have her head examined or what?