Katy Perry Will, In Fact, Take Russell Brand's Last Name 2.36K Whitney Jefferson 12/08/10 05:05PM Filed to: ellen ellen Katy Perry Cats Russell Brand TV Video Today on Ellen, Katy Perry admitted that she's in the process of changing her last name to Brand. She also responded to Helen Mirren's publicized crush on Russell saying "she needs to step off my man" and talked about cats.[There was a video here]