There have been other things that unintentionally looked like boobs: cakes, produce, elbows, children's drawings, you name it. None of it comes close to the optical illusion caused by the shadows cast on the ceiling from these two lights in this picture shared by captainhowdy27. These are the most boob-looking things. Specifically, boobs with fun tassles hanging off them. 

All hail the new accidental boob champion.

Sources: reddit