CrayonPop Former Crayon Pop, ChoA, On Cancer Diagnosis 6 months ago ChoA, a former member of Crayon Pop has revealed that she was diagnosed with cervix cancer. On October 13, ChoA… Where are they now? – Crayon Pop 10 months ago Crayon Pop became a sensational K-pop act from the “Bar Bar Bar” single that gave them over 65 million YouTube…