 It's a song that everybody loves, but I bet you didn't know this song was the inspiration for the movie House Party. Writer and director Reginald Hutland explains. I was packing to go back to college and the radio was on and the Luther Vandross song Bad Boy Having a Party was on. So as I'm packing, I'm like, wow, that could be a movie. Reginald went on to write the movie House Party for New Line Cinemas, but I bet you didn't know who he originally