On October 18, the idol singer posted a series of photos on Instagram posing like an artist wearing a denim outfit and a beret at the exhibition for 'The Art of Color by Dior Makeup'.

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The special exhibition by luxury brand Dior Makeup will be held at the Dior flagship store in Cheongdam-dong, Gangnam-gu from October 18-26.

#theartofcolor @diormakeup #????????

A post shared by Hyun Ah (@hyunah_aa) on Oct 18, 2017 at 4:52am PDT

#theartofcolor @diormakeup #????????

A post shared by Hyun Ah (@hyunah_aa) on Oct 18, 2017 at 5:07am PDT

#theartofcolor @diormakeup #????????

A post shared by Hyun Ah (@hyunah_aa) on Oct 18, 2017 at 5:08am PDT