Honey Lee posted then deleted the sweet birthday post for her boyfriend Yoon Kye Sang. 

On December 21, Honey Lee shared a set of photos of her making a birthday cake via Instagram. She captioned, "It might be clumsy but I wanted to give you a present that you can't buy with money," and added a heart emoticon. 

Netizens assumed the birthday cake is a gift for Yoon Kye Sang, who celebrated his 40th birthday on December 20. 

The post is no longer found on her Instagram.