Jung Hayoon 정하윤 is a member of Bonus Baby.
Hayoon was born on Saturday, November 21, 1998, in Ulsan.
She was born in the Chinese Year of the Tiger. Like fellow member Dayoon, she’s a Scorpio. Hayoon, Dayoon, and Gaon’s blood type is A.
At a height of 163 cm or 5'4", she’s one of Bonus Baby’s shortest members, along with Chaehyun, Gaon, and Kongyoo. They’re shorter than the tallest member, Moonhee, by 4 cm.
Hayoon is a former member of MyB.