Daul Kim, 20, was a fashion week regular in New York, Milan, Paris and London and modelled for world's top designers like Chanel, Dries van Noten and Maison Martin Margiela, the Associate Press reports.
Seoul officials are yet comment on the cause of the Asian's beauty's death, but local media in Korea are speculating that Kim's death may have been a suicide.
Her Seoul agency, Esteem, said Kim's family were heading to Paris to collect her body.
The 178-cm tall Kim was raised in Seoul and Singapore, before making her fashion week debut in Paris in 2007.
The young model was known for her thick locks, which she sometimes dyed blonde, and her sense of style.
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She appeared at Seoul fashion week in October and recently starred in a commercial for designer Christopher Kane's line of clothing for British retailer Topshop.
The young model reportedly wrote on her online blog on October 30 that she was "mad depressed and overworked".
Bloggers in South Korea are mourning her death and speculating that the model could have felt the pressure of high-fashion modeling and a loss of identity.
In another entry she wrote "the more i gain the more lonely it is ... i know i'm like a ghost.
The last blog entry, dated on November 18, was titled "say hi to forever" and it carried a video of the song "I Go Deep" by British singer Jim Rivers.