Lee Hyori's Status at the Time

‌In 2007, Lee Hyori became a Levi's model - Levi's ranked #1 in sales
In 2008, Calvin Klein recruited Lee Hyori - Calvin Klein achieved #1 in sales
In 2009, Levi's recruited Lee Hyori as a model again - Levi's reclaimed the #1 spot
In 2011, Guess successfully recruited Lee Hyori as a model - Guess rose to #1.
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There was a period when the #1 spot in jeans sales was determined by whether or not they used Lee Hyori.
It is certain that Lee Hyori was truly an incredible superstar.
Not just jeans, but whenever Lee Hyori wore cell phones, lipsticks, accessories, etc., they all sold out instantly.