The actress made an appearance on the July 28 episode of 'I Can See Your Voice 3', where she blew the audience away with her hidden, singing talents.
Her label, Wellmade Yedang Entertainment, revealed on July 29, "It's true that Lee Sun Bin is currently preparing to debut in a girl group." Not only that, but she will also debut in the same group as rookie actress Yoon Seo from drama 'Ddanddara', who also previously revealed that she was preparing to debut in a girl group.
Stay tuned for more updates on this mysterious new girl group!
SEE ALSO: Watch 'Music Bank' Live!