On October 24, Krystal celebrated her 23rd birthday. In celebration, her older sister Jessica dedicated the cutest Instagram stories.
The first story showed a goofy selca of Jessica and Krystal.
Jessica added a sweet note, saying, "Happy Birthday darling", on the second story.
Last but not least, the third story showed Krystal giving her sister a manicure. The caption reads, "Happy Birthday!"
These two are definitely sister goals! Happy Birthday, Krystal.