A blonde, a brunette, and a redhead were atop a 5 story...

A blonde, a brunette, and a redhead were atop a 5 story building when a genie appeared and told them to run to the edge, jump off, and name anything they want to become. the brunette ran, jumped off, and said butterfly, the redhead ran jumped and said eagle, the blonde ran tripped over the edge and said "ah shit!"