Who: Soo Joo Park.
When: Wednesday, May 18.
Where: The L'Oréal Paris Blue Obsession party at the Cannes Film Festival.
What: A teal Jean Paul Gaultier Spring 2004 couture dress.
Why: Ever the iconoclast, where all the models are wearing the latest season or custom ensembles (hello, Bella Hadid), Soo Joo Park throws it back a good decade with an on-theme (that is, blue) silk Gaultier dress. Couture never ages.
See models reveal their beauty secrets: