Jessica Simpson breaks her nose with a gun, not her breasts.

This isn't the first time Jess has had her nose broken....cough...plastic surgery....cough....
Digital Spy:
Jessica Simpson has broken her nose after she accidentally hit herself in the face with a gun while shooting scenes for her new movie Major Movie Star.The singer-turned-actress stars as an American Hollywood actress who decides to join the army in the film.Simpson explained: "I was running with a gun over my head and fell over and broke my nose, it really hurt!"The star has previously cited her nose as her favourite feature, saying: "There are a lot of girls with a similar body to mine, but my nose is special and unique to me."