Gu Hye Sun Worries About Acting With Ahn Jae Hyun

Gu Hye Sun says that working with a younger actor is making her feel self-conscious about the way she looks and the state of her skin. But at 30, the actress is barely three years older than her "Blood" co-star Ahn Jae Hyun.

It could be that Ahn looks so much younger than he is. Or it might be because he played Jun Ji Hyun's younger school-age brother in "You Who Came From The Stars." But acting scenes with Ahn is making Gu Hye Sun worry about her wrinkles.

At a press conference for the vampire medical drama Gu revealed that she was wearing more make-up and making more frequent trips to the dermatologist.

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