On April 15, Junghwa shared two selfies with the TWICE member via Instagram. In the caption, she expressed much affection, stating, "Jihyo, everything is pretty about her. Unnie loves you lots."

SEE ALSO: EXID fans gift Junghwa with coffee truck on the set of her new drama

The two idol stars' friendship started even before their debut. Junghwa trained under JYP Entertainment for 5 years prior to her debut in EXID. Meanwhile, Jihyo is known to be one of the stars who went through the longest training under JYP.

Many are loving the unchanging friendship of the former labelmates, and commented, "So cute", "Lovely."

모든게다예쁜동생지효 언니가많이사룽해

A post shared by JEONGHWA PARK (@jeonghwa_0508) on Apr 15, 2018 at 2:59am PDT