This paper explores theoretical issues around authenticity in fashion design and art collaboration (FDAC). The aim is to understand the marketer's actual momentum and cultural properties of this phenomenon. Based on multiple case studies and interview surveys, this research identified that: FDAC is in widespread use as a way of above commerce; additionally, it bridges a gap between authenticity and fashion (especially youth fashion), while it represents the value of being free, true to the self and having passion for life. It is also heavily linked with creative youth culture and fashionisation featuring fun, excitation and hedonism.