Who was the first woman to show her belly button on television?

The first woman to show her belly button on television was Barbara Eden, who portrayed the character Jeannie in the popular 1960s sitcom "I Dream of Jeannie." The show aired from 1965 to 1970 and featured Eden in a harem outfit that included a midriff-baring top, which was considered groundbreaking at the time. This portrayal contributed to her character's popularity and became an iconic image in television history.