Being good-looking is hard currency in the entertainment industry.
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颜值 (face + value) is internet-era slang that became fully mainstream around 2015. Pairs with 高/低 (high/low), 在线 (online = looking good today), 担当 (bearer = 'the hot one' of a group).
culture
The 'value' framing treats looks as a quantifiable stat, reflecting appearance-as-asset culture in modern Chinese social media and dating apps.
