A lokacin da yake dan shekara uku, Cooper ya kasance baƙo a The Tonight Show a ranar 17 ga Satumba, 1970, ya bayyana tare da mahaifiyarsa. A lokacin da yake dan shekara tara, ya bayyana a kan To Tell the Truth a matsayin mai yaudara. Daga shekaru 10 zuwa 13, Cooper ya yi samfurin tare da Ford Models don Ralph Lauren, Calvin Klein da Macy's. Mahaifin Cooper ya sha wahala a jerin ciwon zuciya yayin da yake yin aikin tiyata, kuma ya mutu a ranar 5 ga Janairu, 1978, yana da shekaru 50. Cooper ya ɗauki littafin mahaifinsa na Iyalai a matsayin "wani nau'i na jagora kan... yadda zai so in rayu da kuma zaɓin da zai so in yi. Kuma ina jin daɗi sosai da shi".
Diane Arbus