A source close to the situation explained:
Katy Perry is a one-woman party entertainment service!
The Birthday girl teased her upcoming video once again, this time with individual posters for each of her crazy characters!
Who knew Katy had an inner old stripper and Jewish comedian? OK, the princess was pretty obvi though! LOLz!
Ch-ch-check out the pics (below) to see all the amazing posters for the World's Worst Birthday Party Entertainers! You srsly won't believe they're all Katy!