Katheryn Elizabeth Hudson is Katy Perrys full name
That is crazy, I wonder why celebrities change their names like that.  She is a really good singer.  How many hits has she had?
Katy Perry
Katheryn Elizabeth Hudson (born October 25, 1984), known professionally as Katy Perry, is an American singer, songwriter, and television judge. After singing in church during her childhood, she pursued a career in gospel music as a teenager. Perry signed with Red Hill Records and released her debut studio album "Katy Hudson" under her birth name in 2001, which was commercially unsuccessful. She moved to Los Angeles the following year to venture into secular music after Red Hill ceased operations and she subsequently began
Katheryn
Katheryn is a feminine given name. It is a variant of Katherine. Notable people with the name include:
- Katheryn Curi, American cyclist who placed first at the National Road Race Championships in Park City
- Katheryn K. Russell, associate professor of criminology and criminal justice at the University of Maryland
- Katheryn of Berain, Welsh noblewoman noted for her four marriages
- Katheryn Elizabeth Hudson, or Katy Perry - American singer and songwriter
- Katheryn Winnick, Canadian actress. Well known for her role