She is a close friend with Honey Lee, who won the 1st place at 2006 Miss Universe Korea and came 4th place at 2007 Miss Universe competition. They are both graduates of Seoul National University.
She graduated Seoul National University (Major in Fashion Design) in
Seoul, South Korea.
On October 25, 2017, Kim Tae-Hee gave birth to their first child.
Kim Tae-Hee gave birth to their second child on September 19, 2019.