During a recent interview on Weekly Idol, Girls' Generation member and acknowledged beauty Yoona was put on the spot with a tough question: Who were the five most beautiful idols in SM Entertainment?

Yoona was made to choose from among the roster of SM Entertainment female idols, with the added restriction that she could not select herself, Lee Yoon Hee and Go Ara, reports Koreaboo.

Hard as the task was, Yoona picked the five female talents she believed to be the prettiest to ever grace her agency: Eugene, BoA, fellow Girls' Generation members Yuri and Taeyeon, and f(x)'s Sulli.

You can watch the whole episode below, with Yoona's selection at around the 10-minute mark:

Yoona's selection has become a hot topic among fans. "To be honest I think BoA and Taeyeon needs to come out of the top 5," said an online commenter on Pann. "BoA is pretty but not up to the standard of SM Entertainment and Taeyeon isn't the beauty standard expected from Korea."

Yoona herself can be considered one of the prettiest idols in SM Entertainment, garnering many endorsement deals as well as magazine photo spreads, such as this month's H:Connect fashion campaign and GRAZIA magazine photo shoot, respectively.

The Weekly Idol appearance is one of many variety shows that Yoona and the rest of Girls' Generation are appearing in as part of their promotions for their new album Lion Heart.

Yoona has also been at the center of the spotlight after it was reported that she has broken up with popular star Lee Seung Gi after going public with their relationship last year.

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Mickey is a writer and digital content creator based in Manila. He is a co-founder of ZAVI App and editor of the small business blog IndieMickey. He has also been bitten by the K-pop fashion bug - follow him on Instagram @mickjami.