She has a cameo in the third episode of the 2012 TV series "A Gentleman's Dignity" as the daughter of Na Jong Seok (played by Kim Dong Gyun)
- The type of CF she would like to star in is a soju commercial
- She debuted through SBS' drama "A Gentleman's Dignity" prior to AOA's debut
- It is said that she was very shy as a child, and is still shy today, but is more open and talkative once you get to know her
- Her confidence developed after she became a cheerleader and a promotional model in high school
- She was discovered by FNC Entertainment's casting director at a supermodel pageant that Hyejeong's mom signed her up for and that Hyejeong succeeded at up until the third preliminary round
- Other than singing and dancing, she wishes to pursue a career in acting and MC-ing, as well as making appearances on popular variety programs
- She was cast as Se Kyung's younger sister Se Jin in SBS's drama "Cheongdam-dong Alice"
- She appeared in FT Island's "I Wish" MV
- She was one of the cast members on the first season of The Romantic & Idol, where she paired up with MBLAQ's Mir and 2PM's Jun.K on the show
- Is credited by her friends as being quite silly and charmful
- Believes she is good at cooking Kimchi
- Rather than dressing up, she prefers to stay simple by wearing a hoodie and some shorts
- Her favorite color is pink
- To relax, she likes to do yoga and stretch
- She became an FNCEnt. trainee in August of 2010
- Her ideal type is a guy who is sweet but also has a good sense of humor, yet her ideal man is Gong Yoo or Kim Tae Woo
- According to the other members, she has the best body and is the sexiest out of all of them
- As mentioned by Yuna, Hyejeong is 4D (meaning she is very real, down-to-earth, and easily understandable and approachable from any vantage point
